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Journal articles on the topic 'Astronautit'

Author: Grafiati

Published: 29 July 2024

Last updated: 31 July 2025

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1

Kolomiitsev, Oleksii, Volodymyr Komarov, Oleh Dmitriiev, Volodymyr Pustovarov, and Ruslan Oliinyk. "EXPERIMENTAL UNIT FOR DETERMINING BODY WEIGHT OF ASTRONAUTS AND LIGHT-WEIGHT OBJECTS IN ZERO-GRAVITY CONDITIONS." Advanced Information Systems 6, no. 3 (2022): 92–98. http://dx.doi.org/10.20998/2522-9052.2022.3.12.

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The transition of an astronaut into zero gravity leads to a certain restructuring of the body, including the redistribution of fluid flows in it. The process of dehydration of the body is stimulated, the astronaut loses weight. Knowledge of the regularities of changes in an astronaut's body weight, keeping it within normal limits thanks to a rational load distribution, rest, physical exercises, and a well-thought-out diet are extremely necessary in order to provide the astronaut with the most favorable conditions for adaptation in zero gravity, as well as to better prepare him for his return t

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Lin, Lingjie, Lan Wang, Ying Chang, Lixun Zhang, and Feng Xue. "6-Dimensional Virtual Human‐Machine Interaction Force Estimation Algorithm in Astronaut Virtual Training." Machines 11, no. 1 (2023): 46. http://dx.doi.org/10.3390/machines11010046.

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It is necessary to conduct virtual training for astronauts on the ground to improve the efficiency and safety of astronauts carrying objects in space. Cooperation between the two astronauts is required when handling massive objects. During this process, it is necessary to obtain the operating force of each astronaut. The research purpose of this paper was to propose an algorithm to map the astronaut’s operation on the VR handle to the human–machine interaction force without the robot’s participation, thereby saving costs. In this paper, a virtual robot simulation model is established, while th

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Jin, Jeonghwan, and Ling Rothrock. "A Visualization Framework for Bounding Physical Activities — Towards a Quantification of Gibsonian-Based Fields." Proceedings of the Human Factors and Ergonomics Society Annual Meeting 49, no. 3 (2005): 397–401. http://dx.doi.org/10.1177/154193120504900339.

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In a human-robot communications problem in which a mobile robot and an astronaut are required to work together to maintain network communication, it is possible for the mobile robot and the astronaut to have multiple courses of actions to restore communications if it becomes disrupted. To effectively accomplish a team's mission, a human supervisor responsible for monitoring and supervising the terrestrial activities of mobile robots and astronauts in this domain needs useful decision aiding tools in order to identify productive courses of action. Motivated by this, we propose a visualization f

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Brzostek, Dariusz. "Constructing African future: Africa and African people in Polish science fiction of the socialist era." Przegląd Kulturoznawczy, no. 3 (49) (2021): 479–95. http://dx.doi.org/10.4467/20843860pk.21.033.14353.

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The paper’s main objective is to analyse the visions of an African future in the Polish Socialist Era science fiction. Speculative fiction played an important part in the cultural landscape of socialist Poland, being integral to the popular culture as well as to communist propaganda. The image of a communist future was a major motif in the early Socialist Era science fiction narratives and also the impressive political forecast of the final worldwide triumph of the Communist Party. These narratives also included some interesting examples of the African future and the African people in the futu

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Estrada, Manuel Martin Pino. "ambiente de trabalho do astronauta e os acidentes de trabalho no espaço sideral: qual é a legislação aplicável?" Revista do Tribunal Superior do Trabalho 90, no. 2 (2024): 238–52. http://dx.doi.org/10.70405/rtst.v90i2.73.

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A criação de um tratado sobre salvamento de astronautas em 1968 é produto de acidentes fatais acontecidos anteriormente, como é o caso de Apollo 1 (Estados Unidos), morrendo os astronautas Virgil Grissom, Ed White e Roger Chaffee e da missão Soyuz 1 (União Soviética), na qual o astronauta soviético Vladimir Komarov também morreu, salientando que ambos os eventos aconteceram em 1967. No caso de acidentes envolvendo astronautas a responsabilidade é dos Estados Signatários, salientando que se o dano foi provocado por uma ferramenta ou objeto em órbita de um determinado país, este será responsabil

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Reynolds, Robert J., and Steven M. Day. "Mortality of US astronauts: comparisons with professional athletes." Occupational and Environmental Medicine 76, no. 2 (2018): 114–17. http://dx.doi.org/10.1136/oemed-2018-105304.

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ObjectiveStudies of mortality among US astronauts are complicated by the healthy worker effect, which predicts lower mortality for astronauts than the general population based solely on the ability to become and remain an astronaut. We attempt to evaluate astronaut mortality risk while accounting for the healthy worker effect.MethodsWe compare mortality rates of male US astronauts with those of professional athletes from Major League Baseball and the National Basketball Association between January 1, 1960 and May 31, 2018.ResultsBoth athlete cohorts and astronauts had significantly lower-than-

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Shah, Sardar Ali, Saba Karim, Ramesh Kumar, and Amir Latif Bhatti. "Beyond the Gravity: Exploring Legal Position of Astronauts’ Well-Being in Space." Journal of Social Sciences Review 4, no. 4 (2024): 154–68. https://doi.org/10.54183/jssr.v4i4.442.

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In space exploration, astronaut health and safety are crucial. The harsh circumstances of space need a thorough review of the laws that protect people who journey there. This article uses the doctrinal approach to examine the particular issues of space missions and how to keep astronauts healthy and safe. The article begins with an overview of these problems and emphasizes astronaut health and safety, then examines how space law has developed to handle health concerns. The examination examines relevant laws, treaties, and regulations for astronaut well-being using a doctrinal perspective. Addi

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St-Martin, Philippe, François Lalonde, Félix Bouchard-Lévesque, and Isabelle J. Dionne. "Occupational Physical Requirements for Astronauts." Aerospace Medicine and Human Performance 96, no. 3 (2025): 234–50. https://doi.org/10.3357/amhp.6560.2025.

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INTRODUCTION: Through the Artemis program, space agencies and astronauts are preparing for extended durations in space and on planetary surfaces, expanding their occupational tasks. Although standardized laboratory tests are effective in assessing health and mitigating deconditioning, their reliability in forecasting occupational performance is uncertain. Consequently, a recent shift in exercise testing has emerged, shifting focus from health-oriented criteria to operational performance. This involves identifying the physical demands associated with components of an astronaut’s tasks and deter

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Mukhin, O. "Psychological portrait of astronaut in modern American space fiction films of XXI century." Culture of Ukraine, no. 77 (September 28, 2022): 51–55. http://dx.doi.org/10.31516/2410-5325.077.06.

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This paper discloses a general psychological portrait of astronaut, which is shown in latest American space fiction films of XXI century. The purpose of this article is to find the most typical psychological features of astronauts, which are presented in films “Interstellar” (2014, director — K. Nolan), “The Martian” (2015, director — R. Scott), “Ad Astra“ (2019, director — J. Gray). The methodology of this article includes the using of axiological, systematic and comparative methods. Each of these methods helps to discover three important moral traits, which form the astronaut’s nature

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Komiyama, T. "Practicalities of dose management for Japanese astronauts staying at the International Space Station." Annals of the ICRP 49, no. 1_suppl (2020): 194–99. http://dx.doi.org/10.1177/0146645320944278.

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Japanese astronauts started staying at the International Space Station (ISS) in 2009, with each stay lasting for approximately 6 months. In total, seven Japanese astronauts have stayed at the ISS eight times. As there is no law for protection against space radiation exposure of astronauts in Japan, the Japan Aerospace Exploration Agency (JAXA) created its own rules and has applied them successfully to radiation exposure management for Japanese ISS astronauts, collaborating with ISS international partners. Regarding dose management, JAXA has implemented several dose limits to protect against bo

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Kessler, Claudia, Insa Thiele-Eich, and Susanne Peters. "First Female German Astronaut: A Commercial Human Spaceflight Initiative ASTRONAUTIN." New Space 7, no. 2 (2019): 61–66. http://dx.doi.org/10.1089/space.2018.0007.

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Jain, Varsha, Robert Ploutz-Snyder, Millennia Young, Jacqueline M. Charvat, and Virginia E. Wotring. "Potential Venous Thromboembolism Risk in Female Astronauts." Aerospace Medicine and Human Performance 91, no. 5 (2020): 432–39. http://dx.doi.org/10.3357/amhp.5458.2020.

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BACKGROUND: Whether the unique environment of space affects astronaut risk of venous thromboembolism (VTE) is not known. On Earth, it is known that use of combined oral contraceptives (COCs) doubles the risk of VTE. Since some female astronauts choose to use COCs, this retrospective study examined known risk factors associated with VTE risk to determine whether the available data suggested elevated VTE risk in female astronauts.METHODS: Longitudinal health data were requested for female astronauts who flew short and long duration missions between 2000 and 2014. Pre- and postflight hematologica

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Greatbatch, Connor. "The Role of Artificial Intelligence in Space Medicine." Journal of the Australasian Society of Aerospace Medicine 13, no. 1 (2024): 1–5. http://dx.doi.org/10.2478/asam-2024-0001.

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Abstract Space is considered to be the most inhospitable environment known to man. A lack of oxygen, microgravity, extremes of temperature, ionising radiation and the inability to grow food being only a few of the challenges that space exploration may pose to those brave enough to travel there.(1) Consequently, astronauts encountered numerous health risks primarily due to the effects of microgravity and ionising radiation as well as the psychological impacts of isolation and confinement.(2,3) Because of this, it is imperative that the health and wellbeing of astronauts be monitored closely to

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Hu, Hong, Jian Gang Chao, and Zai Qian Zhao. "Study of Vision-Based Hand Gesture Recognition System for Astronaut Virtual Training." Advanced Materials Research 998-999 (July 2014): 1062–65. http://dx.doi.org/10.4028/www.scientific.net/amr.998-999.1062.

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With the fast development of vision-based hand gesture recognition, it is possible to apply the technology to astronaut virtual training. In order to solve problems of hand gesture recognition in future virtual training and to provide an unrestricted natural training for astronauts, this paper proposed a vision-based hand gesture recognition method, and implemented a hierarchical gesture recognition system to provide a gesture-driven interactive interface for astronaut virtual training system. The experiment results showed that this recognition system can be used to help astronaut training.

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Zhang, Qi, Li Fan, and Yulin Zhang. "Simultaneous Astronaut Accompanying and Visual Navigation in Semi-Structured and Dynamic Intravehicular Environment." Drones 6, no. 12 (2022): 397. http://dx.doi.org/10.3390/drones6120397.

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The application of intravehicular robotic assistants (IRA) can save valuable working hours for astronauts in space stations. There are various types of IRA, such as an accompanying drone working in microgravity and a dexterous humanoid robot for collaborative operations. In either case, the ability to navigate and work along with human astronauts lays the foundation for their deployment. To address this problem, this paper proposes the framework of simultaneous astronaut accompanying and visual navigation. The framework contains a customized astronaut detector, an intravehicular navigation sys

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Yudhanto, Sigied Himawan, and Faizal Risdianto. "The pragmatics and Semiotics Analysis of Vinyl Record Cover Art They Fell From The Sky's Album DECADE." Journal of Pragmatics Research 4, no. 1 (2022): 167–78. http://dx.doi.org/10.18326/jopr.v4i2.167-178.

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In this study, the researchers focus on the meaning of the DECADE album cover from They Fell From The Sky music band. This was chosen because the artwork used is quite attractive and has This study uses qualitative research with a descriptive method. The analysis was carried out using the semiotic theory of Roland Barthes and the pragmatics theory of John Searle. This study aimed to determine the meaning contained in the cover design of the DECADE album. This research shows that between context signs and visible signs, there is a relationship where the two synergize in the title. The band, nam

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Li, Lailu, Lixun Zhang, Bing Wang, Feng Xue, Yupeng Zou, and Da Song. "Running Experimental Research of a Cable-Driven Astronaut on-Orbit Physical Exercise Equipment." Machines 10, no. 5 (2022): 377. http://dx.doi.org/10.3390/machines10050377.

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Manned spaceflight has already become an important approach to space science exploration, while long-term exposure to the microgravity environment will lead to severe health problems for astronauts, including bone loss, muscle atrophy, and cardiovascular function decline. In order to mitigate or eliminate those negative influences, this paper presents a cable-driven exercise equipment that can be applied in a microgravity environment to render multi-functional on-orbit physical exercise modes for astronauts. First, the structure of cable module and the configuration of the equipment were propo

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Black, F. Owen, William H. Paloski, Millard F. Reschke, Makoto Igarashi, Fred Guedry, and David J. Anderson. "Disruption of postural readaptation by inertial stimuli following space flight*." Journal of Vestibular Research 9, no. 5 (1999): 369–78. http://dx.doi.org/10.3233/ves-1999-9506.

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Postural instability (relative to pre-flight) has been observed in all shuttle astronauts studied upon return from orbital missions. Postural stability was more closely examined in four shuttle astronaut subjects before and after an 8 day orbital mission. Results of the pre- and post- flight postural stability studies were compared with a larger ( n = 34) study of astronauts returning from shuttle missions of similar duration. Results from both studies indicated that inadequate vestibular feedback was the most significant sensory deficit contributing to the postural instability observed post f

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Chen, Hao, and Dong Xu Li. "Dynamic Modeling and Analysis of Astronauts’ Exercise during Spaceflight." Advanced Materials Research 569 (September 2012): 576–84. http://dx.doi.org/10.4028/www.scientific.net/amr.569.576.

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Astronauts’ exercise during spaceflight will bring low-frequency disturbance to the spacecraft. In order to analyze the corresponding dynamic effects on the spacecraft, an astronaut-cycle ergometer-spacecraft system is taken as an example. The dynamic model is established in this paper. The topological structure of the astronaut-cycle ergometer-spacecraft system is given and equalized to an open tree system. Utilizing recursive relation of displacement and velocity between connected units, equations of motion of the system are reduced to the spacecraft. Simulation implies astronauts’ exercise

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Doshi, Drashti Jigar, and Sandhya Tamgadge. "Aeronautics in dentistry: Navigating oral health challenges in zero gravity." Journal of Academy of Dental Education 10 (November 16, 2024): 111–17. http://dx.doi.org/10.25259/jade_36_2024.

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Space, an expansive environment beyond Earth’s atmosphere, poses challenges for astronauts and spacecraft due to microgravity and radiation. These conditions disrupt saliva production, alter oral microbial composition, and challenge hygiene practices, leading to oral health concerns such as dental caries, periodontal diseases, and discomfort. Astronauts also face risks such as masticatory muscle atrophy and oral cancer during extended space missions. Thus, comprehensive dental care in space is crucial for astronaut well-being and overall health as humanity explores farther into space. This rev

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Ong, Joshua, Ritu Sampige, Ryung Lee, et al. "Imaging the Anterior Segment in Spaceflight: Understanding and Preserving Astronaut Ocular Health for Long-Duration Missions." Journal of Clinical & Translational Ophthalmology 3, no. 1 (2025): 5. https://doi.org/10.3390/jcto3010005.

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In light of the potential effects of spaceflight on the anterior segment of the eye, there is a pressing need for anterior segment imaging to be available and accessible to monitor astronauts’ ocular health, including alterations to the cornea and lens. We aim to highlight the clinical basis and need for anterior segment imaging for astronauts. We explore the impacts of spaceflight-associated hazards, including microgravity and radiation, on astronauts’ risk of developing anterior segment pathology including risk of ocular trauma, infection, dry eye symptoms, cataracts, and possibly additional

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Nithya, L.* Kanishka V. Dr. Senthilrajan D. Vikhash T. Nivetha S. "Space Medicine: Ensuring The Health and Well Being of Humans in Space." International Journal of Pharmaceutical Sciences 3, no. 3 (2025): 1924–32. https://doi.org/10.5281/zenodo.15056202.

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The specialty of space medicine is concerned with resolving the particular difficulties that astronauts have when traveling and exploring space. It has become increasingly important for understanding the psychological and physiological impacts of space travel as missions venture farther into the cosmos. In order to keep astronauts healthy during space travel, medications are essential. These medications can treat anything from cardiovascular problems to space motion sickness. Technologies like wearable health monitoring devices and on-demand drug manufacturing are changing astronaut healthcare

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Menger, Richard, Michael Wolf, Jai Deep Thakur, Anil Nanda, and Anthony Martino. "Astronaut Michael Collins, Apollo 8, and the anterior cervical fusion that changed the history of human spaceflight." Journal of Neurosurgery: Spine 31, no. 1 (2019): 87–92. http://dx.doi.org/10.3171/2018.11.spine18629.

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In 1961, President John F. Kennedy declared that the United States would send a man to the moon and safely bring him home before the end of the decade. Astronaut Michael Collins was one of those men. He flew to the moon on the historic flight of Apollo 11 while Neil Armstrong and Buzz Aldrin walked on its surface. However, this was not supposed to be the case.Astronaut Collins was scheduled to fly on Apollo 8. While training, in 1968, he started developing symptoms of cervical myelopathy. He underwent evaluation at Wilford Hall Air Force Hospital in San Antonio and was noted to have a C5–6 dis

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Patarin-Jossec, Julie. "The Politics of Heroes’ Body: Ethnographying the Training of Foreign Astronauts in Russia." Corpus Mundi 1, no. 2 (2020): 14–36. http://dx.doi.org/10.46539/cmj.v1i2.12.

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If the literature in the history of the Soviet space program is extremely prolific since the 1960s, including regarding cosmonaut embodiment, a lack remains regarding the contemporary reality of human spaceflight in Russia. As this article discusses, based on interviews and a long-term ethnography of the Russian training of astronauts from Western Europe, North America, and Japan, becoming an astronaut is to develop a legitimate body fitting dominant cultural and gendered models. Three mechanisms serve the manufacture of “heroes” and masculine bodies through the astronaut training: the histori

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Sannigrahi, Polash, Gaurab Ghosh, Stuti Mishra, and Vipin Sharma. "Post-flight rehabilitation of an astronaut after long duration mission in space: Through the eyes of a flight surgeon." Indian Journal of Aerospace Medicine 67 (August 2, 2024): 64–68. http://dx.doi.org/10.25259/ijasm_13_2023.

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Dwelling in the microgravity environment of space results in various physiological adaptations, namely, cardiovascular deconditioning, neurovestibular changes, loss of bone, and muscle mass. These changes affect the physiological functioning of the human body on return to Earth. Hence, post-flight reconditioning programs are implemented by the International Space Agencies with the aim of returning the Astronauts to their pre-flight physical condition. This paper deals with the post-flight rehabilitation of an Astronaut, which was conducted by a foreign Astronaut Training Center, after his long

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Mortazavi, Alireza, Helia Yarbaksh, Batool Faegheh Bahaaddini Baigy Zarandi, et al. "Cultivation of Vitamin C-Rich Vegetables for Space-Radiation Mitigation." Radiation 4, no. 1 (2024): 101–14. http://dx.doi.org/10.3390/radiation4010008.

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Space exploration introduces astronauts to challenges, such as space radiation and microgravity. Researchers have investigated vitamin C as a potential radiation mitigator, as well as antioxidants for sustaining astronaut health. Our own studies demonstrate vitamin C’s life-saving radioprotective effects and its potential as a radiation mitigator, thus highlighting promise, even when administered 24 h post-exposure. This is particularly relevant in scenarios where astronauts may be exposed to sudden large solar particle events, potentially resulting in lethal doses of space radiation. The succ

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Șandru, Florin. "Pregătiri politico-diplomatice pentru misiunea spaţială a primului cosmonaut român, Dumitru Prunariu, 1980-1981." ARHIVELE TOTALITARISMULUI 32, no. 1-2 (2024): 194–212. https://doi.org/10.61232/at.2024.1-2.13.

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Dumitru-Dorin Prunariu is the first and, so far, only Romanian astronaut. His mission was part of the “Intercosmos” program, which also included Soviet missions with astronauts from Bulgaria, Hungary, Vietnam, and Mongolia—countries from the former Soviet bloc. Later, under the same “Intercosmos” program, French, British, and Japanese astronauts also participated in space missions. This article presents the details of the preparations for the “Soyuz 40” mission, as described in the telegraphic communications between the Romanian Embassy in Moscow and the Romanian Ministry of Foreign Affairs, l

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Fiqhri, Zul. "PETUALANGAN ASTRONOT DALAM KARYA SENI ILUSTRASI DIGITAL." DESKOVI : Art and Design Journal 1, no. 1 (2018): 41. http://dx.doi.org/10.51804/deskovi.v1i1.288.

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Tulisan ini membahas mengenai bagaimana petualangan astronot dalam proses penjelajahan dalam kehidupan sehari-hari. Astronout dipilih karena pelukis menganggap bahwa astronot adalah petualang yang mencoba untuk mebuka tabir kehidupan lain yang ada di jagat raya, astronot adalah manusia yang berani untuk maju menyelami pengetahuan akan dunia luar yang belum di jamah oleh manusia pada umumnya. Tulisan ini akan membahas tentang karya ilustrasi astronot dalam petualangan untuk mengupas arti di balik kehidupan sehari-hari.This article discusses how the astronauts adventures in the process of explor

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Adkins, Austin M., Zachary N. M. Luyo, Alea F. Boden, et al. "Neuroinflammatory Signaling and Immune Cell Infiltration Differ in Brains of Rats Exposed to Space Radiation and Social Isolation." Life 15, no. 5 (2025): 747. https://doi.org/10.3390/life15050747.

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Astronauts on the proposed Mars missions will be exposed to extended periods of social isolation (SI) and space radiation (SR). SI and SR-induced immune dysregulation can result in persistent neuroinflammation and neuronal damage which could negatively impact an astronaut’s health and ability to maintain adequate levels of performance. The synergistic effects of combined SI and SR on immune system functionality and the brain remain unknown. Determining how single and combined inflight stressors modulate the immune system is crucial for fully understanding pathways impacting astronaut health an

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Dobrovolsky, Viktor. "Recommendations Development for the Food Use while Forming 16-Day Menu Food Ration for Astronauts." Food Industry 4, no. 4 (2019): 77–85. http://dx.doi.org/10.29141/2500-1922-2019-4-4-9.

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Nutrition is extremely important in everyday life. And in extreme conditions, its role increases dramatically. Specific factors of a space flight have an adverse effect on the human body. One of the ways to prevent negative physiological changes is adequate nutrition to the needs of the body, ensuring the preservation of health and efficiency of astronauts performing unique scientific experiments and solving problems of national economic importance. A man developed a 16-day Russian ration because of the astronaut nutrition transition to rations from domestic products instead of the integrated

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Zhao, Sikai, Jie Zhao, Dongbao Sui, et al. "Modular Robotic Limbs for Astronaut Activities Assistance." Sensors 21, no. 18 (2021): 6305. http://dx.doi.org/10.3390/s21186305.

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In order to meet the assist requirements of extravehicular activity (EVA) for astronauts, such as moving outside the international space station (ISS) or performing on-orbit tasks by a single astronaut, this paper proposes an astronaut robotic limbs system (AstroLimbs) for extravehicular activities assistance. This system has two robotic limbs that can be fixed on the backpack of the astronaut. Each limb is composed of several basic module units with identical structure and function, which makes it modularized and reconfigurable. The robotic limbs can work as extra arms of the astronaut to ass

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Sugita, Takashi, Takashi Yamazaki, Otomi Cho, Satoshi Furukawa, and Chiaki Mukai. "The skin mycobiome of an astronaut during a 1-year stay on the International Space Station." Medical Mycology 59, no. 1 (2020): 106–9. http://dx.doi.org/10.1093/mmy/myaa067.

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Abstract Analysis of the skin mycobiome of an astronaut during a 1-year stay on the International Space Station (ISS) revealed an increased relative abundance of Malassezia restricta and level of Malassezia colonization, and the presence of Cyberlindnera jadinii and Candida boidinii, uncommon skin mycobiome taxa. Similar observations were made in astronauts during a 6-month stay on the ISS (Med Mycol. 2016; 54: 232–239). Future plans for extended space travel should consider the effect of high levels of Malassezia colonization over long periods on astronauts’ skin, and the abnormal proliferati

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Sparks, Sarah L., Haley J. Hardwick, and Ranjana K. Mehta. "The Effects of Fatigue and Cognitive Tasks on Neurocognitive Outcomes during Orthostatic Challenge." Proceedings of the Human Factors and Ergonomics Society Annual Meeting 61, no. 1 (2017): 1758. http://dx.doi.org/10.1177/1541931213601920.

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Orthostatic challenge (OC), also known as orthostatic hypertension, is a blood pressure drop that results in pooling of blood in the lower extremities leading to oxygen deprivation in the brain, impairing neurovestibular functions which are critical for determining the position and motion of the head, and therefore the rest of the body; these functions are necessary for an astronaut to perform their job (Mark & Heldt, 2005). Acute orthostatic intolerance is a change in blood flow pressure that affects 64% of astronauts on short-range missions and 80% of astronauts on long-range missions. O

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Nichols, Daniel. "Measuring Mass with a Rubber Band and a Smartphone." Physics Teacher 60, no. 7 (2022): 608–9. http://dx.doi.org/10.1119/5.0032177.

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Ever wonder how an astronaut’s mass is measured in space? Of course, a weight scale is of no use, because the astronaut and the scale are in free fall. Measuring the period of a spring mass oscillator is one way to measure mass. In this article, we will demonstrate a method to measure mass using a smartphone, a rubber band, and an app called phyphox.

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Elnaz Ghaffari. "Management of labor and delivery in space." International Journal of Science and Research Archive 13, no. 2 (2024): 1630–10. https://doi.org/10.30574/ijsra.2024.13.2.2296.

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In the zero-gravity environment of space, astronauts experience significant physiological and biochemical changes. Upon returning to Earth, they undergo another transformation and must participate in rehabilitation to readapt to Earth's gravity. Notably, female astronauts of the European Space Agency and NASA are currently prohibited from becoming pregnant during their missions. However, there is no such prohibition for pregnancy during commercial space missions. for a mother-astronaut, the physiological changes are multi-staged and complex. These changes encompass various phases: during pregn

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du Preez, Amanda. "Astronaut Space Selfies." International Journal of Art, Culture and Design Technologies 9, no. 1 (2020): 15–29. http://dx.doi.org/10.4018/ijacdt.2020010102.

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This article uses a philosophical hermeneutic perspective to present a reading of selected astronaut space selfies by drawing on ideas of Michel Serres, Paul Virilio, Hannah Arendt, Bonnie Mann, Joanna Zylinska, Nicholas Mirzoeff, and W. J. T. Mitchell. The image of the astronaut is unpacked as a visual apocalyptic trope that embodies collective dreams of going beyond Earth in post-Earth projections. Michel Serres distinguished between two regimes of pollution, namely “hard pollution” and “soft pollution.” The author uses Serres's distinction between hard and soft pollution to investigate the

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Zhang, Qi, Cheng Zhao, Li Fan, and Yulin Zhang. "Taikobot: A Full-Size and Free-Flying Humanoid Robot for Intravehicular Astronaut Assistance and Spacecraft Housekeeping." Machines 10, no. 10 (2022): 933. http://dx.doi.org/10.3390/machines10100933.

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This paper proposes a full-size and free-flying humanoid robot named Taikobot that aims to assist astronauts in a space station and maintain spacecrafts between human visits. Taikobot adopts a compact and lightweight (∼25 kg) design to work in microgravity, which also reduces launch costs and improves safety during human–robot collaboration. Taikobot’s anthropomorphic dual arm system and zero-g legs allow it to share a set of intravehicular human–machine interfaces. Unlike ground-walking robots, Taikobot maneuvers in a novel push–flight–park (PFP) strategy as an equivalent astronaut in a space

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Dr., Nemailal Tarafder. "Materials, Methods and Techniques in Textiles for the Development of Space Suits." Journal of Advancements in Material Engineering 4, no. 1 (2018): 12–21. https://doi.org/10.5281/zenodo.2528177.

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A space suit is a special type of suit worn by an astronaut during an expedition on the space. In order to keep the astronauts alive in the critical conditions of the outer space, these are worn by them. As the environment on the space is extreme from all corners, therefore it is designed to suit the astronauts as they avail the same in Earth’s conditions. Any space suit is composed of many layers materials starting from three to fourteen in number. Each layer has its own function for the survival of the astronauts on the space. The First NASA space suits were silver in colour because sc

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Smith, David J. K., Charlotte R. Pouwels, Marc Heemskerk, et al. "Overview of the CHILL-ICE 2021 Science Experiments and Research Campaign." Space: Science & Technology 2022 (November 12, 2022): 1–9. http://dx.doi.org/10.34133/2022/9760968.

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The main objective of the CHILL-ICE (Construction of a Habitat Inside a Lunar-analogue Lava tube—Iceland; a campaign by ICEE Space and EuroMoonMars) prototype mission was to deploy an inflatable habitat and its systems inside a lunar analogue lava tube. This took place during an 8-hour extra vehicular activity (EVA) with three analogue astronauts as part of a three-day mission. CHILL-ICE 2021 was carried out in July/August 2021 and consisted of two missions and was accomplished through successful collaboration of nonprofit research organizations, agencies, companies, and universities across 16

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Liu, Jinguo, Yifan Luo, and Zhaojie Ju. "An Interactive Astronaut-Robot System with Gesture Control." Computational Intelligence and Neuroscience 2016 (2016): 1–11. http://dx.doi.org/10.1155/2016/7845102.

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Human-robot interaction (HRI) plays an important role in future planetary exploration mission, where astronauts with extravehicular activities (EVA) have to communicate with robot assistants by speech-type or gesture-type user interfaces embedded in their space suits. This paper presents an interactive astronaut-robot system integrating a data-glove with a space suit for the astronaut to use hand gestures to control a snake-like robot. Support vector machine (SVM) is employed to recognize hand gestures and particle swarm optimization (PSO) algorithm is used to optimize the parameters of SVM to

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Hu, Ruijun, Yulin Zhang, and Chuanxiang Li. "Toward stable astronaut following of extravehicular activity assistant robots using deep reinforcement learning." International Journal of Advanced Robotic Systems 19, no. 3 (2022): 172988062211086. http://dx.doi.org/10.1177/17298806221108606.

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The use of mobile robots for assisting astronauts in extravehicular activities could be an effective option for improving mission productivity and crew safety. It is thus critical that these robots follow the astronaut and maintain a stable distance to provide personalized and timely assistance. However, most extraterrestrial bodies exhibit rugged terrain that can impede a robot’s movements. As such, a novel predictive-guide following strategy is proposed to improve the stability of astronaut–robot distance in obstructive environments. This strategy combines a deep reinforcement learning navig

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Everson, Timothy, Christopher McDermott, Aaron Kain, Cesar Fernandez, and Ben Horan. "Astronaut Training using Virtual Reality in a Neutrally Buoyant Environment." KnE Engineering 2, no. 2 (2017): 319. http://dx.doi.org/10.18502/keg.v2i2.632.

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<div><p>Astronauts undergo significant training in preparation for operating in space. In the past governments have been driving space exploration through ventures such as the National Aeronautics and Space Administration (NASA), however more recently new private companies have formed such as SpaceX who are designing commercially viable and reusable spacecraft. As such, the economics of space travel are more important than ever, and there is a logical need to research affordable and effective training procedures for astronauts.</p><p>Virtual Reality (VR) has been shown

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Sun, Zeyuan, Hui Li, Zhihong Jiang, Zhenzi Song, Yang Mo, and Marco Ceccarelli. "Prototype Design and Performance Tests of Beijing’s Astronaut Robot." Applied Sciences 8, no. 8 (2018): 1342. http://dx.doi.org/10.3390/app8081342.

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This paper proposes a novel chameleon-like astronaut robot that is designed to assist, or even substitute, a human astronauts in a space station to complete dangerous and prolonged work, such as maintenance of solar panels, and so on. The robot can move outside the space station freely via the hundreds of aluminum handrails, which are provided to help astronauts move. The robot weighs 30 kilograms, and consists of a torso, three identical 4-degree of freedom (DOF) arms, three end effectors, and three monocular vision system on each end effector. Via multi-arm associated motion, the robot can r

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Lv, Mingbo, Xiaopeng Li, Yunhua Li, Wei Zhang, and Rui Guo. "UKF-Based State Estimation for Electrolytic Oxygen Generation System of Space Station." Applied Sciences 11, no. 5 (2021): 2021. http://dx.doi.org/10.3390/app11052021.

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Electrolytic oxygen generation system (EOGS) is the only system that can provide oxygen for astronauts in a physicochemical regenerative way in a long-term manned spacecraft. In order to ensure that the astronauts in the cabin can obtain a continuous and enough oxygen supply, it is necessary to carry out real-time condition monitoring and fault diagnosis of the EOGS. This paper deals with condition monitoring and fault diagnosis of the EOGS. Firstly, the dynamic model of the system is established based on the principle electrolysis for actual oxygen production system and the state observer of

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Siddiqui, Ruqaiyyah, Rizwan Qaisar, Nandu Goswami, Naveed Ahmed Khan, and Adel Elmoselhi. "Effect of Microgravity Environment on Gut Microbiome and Angiogenesis." Life 11, no. 10 (2021): 1008. http://dx.doi.org/10.3390/life11101008.

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Microgravity environments are known to cause a plethora of stressors to astronauts. Recently, it has become apparent that gut microbiome composition of astronauts is altered following space travel, and this is of significance given the important role of the gut microbiome in human health. Other changes observed in astronauts comprise reduced muscle strength and bone fragility, visual impairment, endothelial dysfunction, metabolic changes, behavior changes due to fatigue or stress and effects on mental well-being. However, the effects of microgravity on angiogenesis, as well as the connection w

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Greenleaf, J. E., R. Bulbulian, E. M. Bernauer, W. L. Haskell, and T. Moore. "Exercise-training protocols for astronauts in microgravity." Journal of Applied Physiology 67, no. 6 (1989): 2191–204. http://dx.doi.org/10.1152/jappl.1989.67.6.2191.

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The question of the composition of exercise protocols for use by astronauts in microgravity is unresolved. Based on our knowledge of physical working requirements for astronauts during intra- and extravehicular activity and on the findings from bed-rest studies that utilized exercise training as a countermeasure for the reduction of aerobic power, deterioration of muscular strength and endurance, decrements in mood and cognitive performance, and possibly for bone loss, two exercise protocols are proposed. One assumes that, during microgravity, astronaut exercise physiological functions should

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Cruz, Erivania Maria Timóteo da, Brendo Henrique da Rocha, and Felipe Rodrigues de Almeida. "MICROGRAVIDADE COMO PROMOTORA DA ANEMIA ESPACIAL: UMA REVISÃO DA LITERATURA." Revista Ibero-Americana de Humanidades, Ciências e Educação 9, no. 6 (2023): 2311–23. http://dx.doi.org/10.51891/rease.v9i6.8662.

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Frequentemente é observado em astronautas que se submetem a missões espaciais de curta ou longa duração, diversas alterações neuropsicológicas e fisiológicas, entre elas a anemia. Acredita-se que a anemia espacial é decorrente da exposição desse astronauta à microgravidade, onde essa é capaz de provocar aceleração na destruição de glóbulos vermelhos e também alteração do metabolismo do ferro. Esta revisão integrativa da literatura teve como objetivo principal, propor a investigação da ação da microgravidade no desencadeamento da anemia espacial. Foram realizadas buscas por artigos sobre o tema

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Maschke, Peter, Viktor Oubaid, and Yvonne Pecena. "How Do Astronaut Candidate Profiles Differ From Airline Pilot Profiles?" Aviation Psychology and Applied Human Factors 1, no. 1 (2011): 38–44. http://dx.doi.org/10.1027/2192-0923/a00006.

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Sixteen years after the second Europe-wide astronaut selection campaign, the European Space Agency started the third campaign by putting out a call for new astronauts in 2008. Due to extreme environmental conditions, expensive scientific experiments, and high public interest, not only are the psychological requirements on a high level, but they are also wide in variety: Besides cognitive and psychomotor requirements, greater importance than in comparable campaigns was put on personality and behavioral aspects, especially regarding interpersonal aspects. The psychological selection was conducte

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Jaster, J. Howard, and Giulia Ottaviani. "Gravitational Ischemia in the Brain: How Interfering with Its Release May Predispose to Either Alzheimer’s- or Parkinson’s-like Illness, Treatable with Hyperbaric Oxygen." Physiologia 3, no. 4 (2023): 510–21. http://dx.doi.org/10.3390/physiologia3040037.

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The physiological mechanisms for releasing and resolving gravitational ischemia in the brain, and their susceptibility to malfunction, may play an important role in a variety of neurological illnesses. An astronaut on a space walk in a micro-gravity environment may be susceptible to neuro-ocular symptoms associated with unopposed gravity-resistance mechanisms for partially preventing gravitational ischemia in the brain, and for attenuating its impact—mechanisms which may be required for normal brain physiology on Earth. Astronauts on the International Space Station typically breathe a mixture

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Walsh, Linda, Luana Hafner, Ulrich Straube, et al. "A bespoke health risk assessment methodology for the radiation protection of astronauts." Radiation and Environmental Biophysics 60, no. 2 (2021): 213–31. http://dx.doi.org/10.1007/s00411-021-00910-0.

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AbstractAn alternative approach that is particularly suitable for the radiation health risk assessment (HRA) of astronauts is presented. The quantity, Radiation Attributed Decrease of Survival (RADS), representing the cumulative decrease in the unknown survival curve at a certain attained age, due to the radiation exposure at an earlier age, forms the basis for this alternative approach. Results are provided for all solid cancer plus leukemia incidence RADS from estimated doses from theoretical radiation exposures accumulated during long-term missions to the Moon or Mars. For example, it is sh

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