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Journal articles on the topic 'Meteorites, meteors, meteoroids'

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1

Spurný, Pavel, Jun-ichi Watanabe, Ingrid Mann, et al. "COMMISSION 22: METEORS, METEORITES AND INTERPLANETARY DUST." Proceedings of the International Astronomical Union 4, T27A (2008): 174–78. http://dx.doi.org/10.1017/s1743921308025441.

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Commission 22 is part of Division III on Planetary System Sciences of the International Astronomical Union. Members of Commission 22 are professional scientists studying bodies in the Solar System smaller than asteroids and comets, and their interactions with planets. The main subjects of interest are meteors, meteoroids, meteoroid streams, interplanetary dust particles, and also zodiacal cloud, meteor trains, meteorites, tektites, etc.
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2

Mann, Ingrid, Pavel Spurný, Jack Baggaley, et al. "Commission 22: Meteors, Meteorites & Interplanetary Dust." Proceedings of the International Astronomical Union 1, T26A (2005): 167–70. http://dx.doi.org/10.1017/s1743921306004455.

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There have been three international meetings where the subject area of the meeting was to significant extent within the area of interest of commission 22. These were: The Meteoroids 2004 Conference was held at the University of Western Ontario in London, Canada from August 15 to 21, 2004. This conference was the fifth in a series of meteoroid meetings which have been held approximately every three years since 1992, the previous one being in Kiruna, Sweden in 2001. Ingrid Mann chaired a scientific organizing committee which set the program for the conference. The meeting brought together scient
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3

Colas, F., B. Zanda, S. Bouley, et al. "FRIPON: a worldwide network to track incoming meteoroids." Astronomy & Astrophysics 644 (December 2020): A53. http://dx.doi.org/10.1051/0004-6361/202038649.

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Context. Until recently, camera networks designed for monitoring fireballs worldwide were not fully automated, implying that in case of a meteorite fall, the recovery campaign was rarely immediate. This was an important limiting factor as the most fragile – hence precious – meteorites must be recovered rapidly to avoid their alteration. Aims. The Fireball Recovery and InterPlanetary Observation Network (FRIPON) scientific project was designed to overcome this limitation. This network comprises a fully automated camera and radio network deployed over a significant fraction of western Europe and
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4

Babadzhanov, Pulat B. "Density of Meteoroids and Their Mass Influx on the Earth." Symposium - International Astronomical Union 160 (1994): 45–54. http://dx.doi.org/10.1017/s0074180900046441.

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According to the investigation technique it is customary to divide meteoroids into three groups: 1) micrometeorites, with masses between 10–13 g and 10–6 g, and densities between 0.4 and 4 g/cm3; 2) meteorites, for which the chemical composition is studied in detail, and having densities from 2 to 8 g/cm3; 3) meteoroids proper, with masses larger than 10–6 g, which produce meteoric phenomena in the Earth's atmosphere detected by optical and radar means.On the basis of available photographic and radar observations in Dushanbe the influx M(m) of meteoroids with mass equal or greater than m is de
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Peña-Asensio, Eloy, Josep Maria Trigo-Rodríguez, Maria Gritsevich, and Albert Rimola. "Accurate 3D fireball trajectory and orbit calculation using the 3D-firetoc automatic Python code." Monthly Notices of the Royal Astronomical Society 504, no. 4 (2021): 4829–40. http://dx.doi.org/10.1093/mnras/stab999.

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ABSTRACT The disruption of asteroids and comets produces cm-sized meteoroids that end up impacting the Earth’s atmosphere and producing bright fireballs that might have associated shock waves or, in geometrically favourable occasions excavate craters that put them into unexpected hazardous scenarios. The astrometric reduction of meteors and fireballs to infer their atmospheric trajectories and heliocentric orbits involves a complex and tedious process that generally requires many manual tasks. To streamline the process, we present a software package called SPMN 3D Fireball Trajectory and Orbit
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6

Ceplecha, Z. "The Physics of Meteors." International Astronomical Union Colloquium 150 (1996): 53–64. http://dx.doi.org/10.1017/s0252921100501274.

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AbstractInteraction of a meteoroid penetrating the atmosphere can be described through its motion, ablation, luminosity, ionization and the geometry of its trajectory. A theoretical description may be based on the so called “single body theory”, generalized to allow for discrete fragmentation. Such a concept is fully able to simulate the motion and ablation (mass loss) of meteoroids from millimeter to meter sizes recorded through photographic techniques (the best precision of such observations is better than ±10 m in observed heights). Observed distances and heights as a function of time can b
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7

Turchak, Leonid I., and Maria I. Gritsevich. "Meteoroids Interaction With The Earth Atmosphere." Journal of Theoretical and Applied Mechanics 44, no. 4 (2014): 15–28. http://dx.doi.org/10.2478/jtam-2014-0020.

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Abstract In this study we evaluate meteoroid mass and its other properties based on the observed atmospheric trajectory. With account for aerodynamics, we formulate a problem by introducing key dimensionless parameters in the model, responsible for the drag, mass loss and rotation of meteoroid. The proposed model is suitable to categorize various impact events in terms of meteor survivability and impact damage and thus, to analyze consequences that accompany collisions of cosmic bodies with planetary atmosphere and surface. The different types of events, namely, formation of a massive single c
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8

Steel, Duncan. "The Orbital Distribution and Origin of Meteoroids." International Astronomical Union Colloquium 126 (1991): 291–98. http://dx.doi.org/10.1017/s0252921100066987.

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AbstractApproximately 68,000 orbits of meteoroids, ranging from sizes of 10 cm and more down to microgram masses, are now available through the IAU Meteor Data Center. These orbits were measured in surveys based in the U.S.S.R., the U.S.A., Canada, Somalia, and Australia, using photographic, radar and television techniques; the data represent our best knowledge of the orbital distributions of smaller solid bodies in the solar system. It is found that quite different distributions result in different mass regimes, with implications for the origin and evolution of these particles: for example th
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9

Vida, Denis, Damir Šegon, Peter S. Gural, et al. "The Global Meteor Network – Methodology and first results." Monthly Notices of the Royal Astronomical Society 506, no. 4 (2021): 5046–74. http://dx.doi.org/10.1093/mnras/stab2008.

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ABSTRACT The Global Meteor Network (GMN) utilizes highly sensitive low-cost CMOS video cameras which run open-source meteor detection software on Raspberry Pi computers. Currently, over 450 GMN cameras in 30 countries are deployed. The main goal of the network is to provide long-term characterization of the radiants, flux, and size distribution of annual meteor showers and outbursts in the optical meteor mass range. The rapid 24-h publication cycle the orbital data will enhance the public situational awareness of the near-Earth meteoroid environment. The GMN also aims to increase the number of
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10

Jenniskens, Peter, Jiří Borovička, Jun-ichi Watanabe, et al. "DIVISION F COMMISSION 22: METEORS, METEORITES, AND INTERPLANETARY DUST." Proceedings of the International Astronomical Union 11, T29A (2015): 365–79. http://dx.doi.org/10.1017/s1743921316000843.

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Commission 22 (Meteors, Meteorites and Interplanetary Dust) was established at the first IAU General Assembly held in Rome in 1922, with William Frederick Denning as its first President. Denning was an accountant by profession, but as an amateur astronomer he contributed extensively to meteor science. Commission 22 thus established a pattern that has continued to this day that non-professional astronomers were welcomed and valued and could play a significant role in its affairs. The field of meteors, meteorites and interplanetary dust has played a disproportional role in the astronomical perce
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11

Grün, E., and P. Staubach. "Dynamic Populations of Dust in Interplanetary Space." International Astronomical Union Colloquium 150 (1996): 3–14. http://dx.doi.org/10.1017/s0252921100501171.

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AbstractInformation on the dynamics of interplanetary dust is obtained by observations of radio-meteors, zodiacal light, thermal infrared emission, and by measurements with in-situ detectors on board Earth satellites and deep spaceprobes. These methods are sensitive to different meteoroid sizes (mm- to sub-micron sized) and refer to different regions of space. Bigger particles (> 10-9 g) move on bound Keplerian orbits and are dynamically dominated by solar gravity, while the trajectories of particles smaller than 10-10 g are strongly influenced by radiation pressure and electromagnetic inte
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12

de la Fuente Marcos, C., and R. de la Fuente Marcos. "Waiting to make an impact: a probable excess of near-Earth asteroids in 2018 LA-like orbits." Astronomy & Astrophysics 621 (January 2019): A137. http://dx.doi.org/10.1051/0004-6361/201834313.

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Context. The discovery and tracking of 2018 LA marks only the third instance in history that the parent body of a fireball has been identified before its eventual disintegration in our atmosphere. The subsequent recovery of meteorites from 2018 LA was only the second time materials from outer space that reached the ground could be linked with certitude to a particular minor body. However, meteoroids like 2018 LA and its forerunners, 2008 TC3 and 2014 AA, are perhaps fragments of larger members of the near-Earth object (NEO) population. As the processes leading to the production of such fragmen
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13

Ferus, M., P. Kubelík, L. Petera, et al. "Main spectral features of meteors studied using a terawatt-class high-power laser." Astronomy & Astrophysics 630 (October 2019): A127. http://dx.doi.org/10.1051/0004-6361/201935816.

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Context. Meteor spectra are commonly interpreted using data from databases and tables. Several studies have demonstrated very sophisticated calculations of elemental compositions of meteoroid bodies based on the computation of synthetic meteor spectra or on the spectral analysis of airglow plasma containing evaporated, atomized, and ionized meteoroid matter. However, considering accuracy, reliability of computations, lack of laboratory experimental data in this field, as well as the complicated physical structure of meteor plasma, such qualitative assignment or quantitative calculations are st
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14

Borovička, Jiří. "Properties of meteoroids from different classes of parent bodies." Proceedings of the International Astronomical Union 2, S236 (2006): 107–20. http://dx.doi.org/10.1017/s1743921307003134.

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AbstractMeteoroids observed to disintegrate in the terrestrial atmosphere can be directly linked to their parent bodies in case that they belong to certain meteor showers. We present a list of two dozens of parent bodies reliably associated with well recognized meteor showers. Among the parent bodies are long period comets, Halley-type comets, Jupiter family comets, comets of the inner solar system (such as 2P/Encke) and asteroids. Physical and chemical properties of meteoroids coming from various parents are compared on the basis of meteor heights, decelerations, light curves and spectra. Jup
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15

Grün, E., H. A. Zook, H. Fechtig, and R. H. Giese. "Mass Input into and Output from the Meteoritic Complex." International Astronomical Union Colloquium 85 (1985): 411–15. http://dx.doi.org/10.1017/s0252921100084992.

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AbstractDirect observations have established the size distribution of interplanetary meteoroids at 1 AU as well as the dependence of the spatial density with respect to the distance from the sun. After evaluating the consequences of mutual collisions and the effect of radiation pressure the following conclusions can be drawn: 1. Catastrophic collisions dominate the lifetimes of meteoroids with masses m ≳ 10−5g. About 10 tons per second are lost within 1 AU (mostly in form of 10−4g to 10−1g particles). Under steady state conditions these meteor sized particles have to be replenished by other so
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16

Moreno-Ibáñez, Manuel, Maria Gritsevich, Josep M. Trigo-Rodríguez, and Elizabeth A. Silber. "Physically based alternative to the PE criterion for meteoroids." Monthly Notices of the Royal Astronomical Society 494, no. 1 (2020): 316–24. http://dx.doi.org/10.1093/mnras/staa646.

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ABSTRACT Meteoroids impacting the Earth atmosphere are commonly classified using the PE criterion. This criterion was introduced to support the identification of the fireball type by empirically linking its orbital origin and composition characteristics. Additionally, it is used as an indicator of the meteoroid tensile strength and its ability to penetrate the atmosphere. However, the level of classification accuracy of the PE criterion depends on the ability to constrain the value of the input data, retrieved from the fireball observation, required to derive the PE value. To overcome these un
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17

Trigo-Rodríguez, Josep M., Joan Dergham, Maria Gritsevich, Esko Lyytinen, Elizabeth A. Silber, and Iwan P. Williams. "A Numerical Approach to Study Ablation of Large Bolides: Application to Chelyabinsk." Advances in Astronomy 2021 (March 27, 2021): 1–13. http://dx.doi.org/10.1155/2021/8852772.

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In this study, we investigate the ablation properties of bolides capable of producing meteorites. The casual dashcam recordings from many locations of the Chelyabinsk superbolide associated with the atmospheric entry of an 18 m in diameter near-Earth object (NEO) have provided an excellent opportunity to reconstruct its atmospheric trajectory, deceleration, and heliocentric orbit. In this study, we focus on the study of the ablation properties of the Chelyabinsk bolide on the basis of its deceleration and fragmentation. We explore whether meteoroids exhibiting abrupt fragmentation can be studi
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18

Koschny, Detlef, Rachel H. Soja, Cecile Engrand, et al. "Interplanetary Dust, Meteoroids, Meteors and Meteorites." Space Science Reviews 215, no. 4 (2019). http://dx.doi.org/10.1007/s11214-019-0597-7.

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19

Cordero-Tercero, Guadalupe, Fernando Velázquez-Villegas, Carlos Francisco Vázquez-Hernández, et al. "The Mexican Meteor Network: A Preliminary Proposal." Geofísica Internacional 55, no. 1 (2016). http://dx.doi.org/10.22201/igeof.00167169p.2016.55.1.1712.

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The study of asteroidal and cometary material entering into Earth’s atmosphere has scientific and social importance. The observation and study of the impact of meteoroids with our planet is a way of studying geophysics and planetary geology without spaceships. This article describes the progress of the installation of the Mexican Meteor Network (Citlalin Tlamina). At medium and long term, the aim of this network is to cover the entire national territory with stations that allow us to record the entry of meteoroids into Earth’s atmosphere. This seeks to: a) study the meteoroid-atmosphere intera
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20

Soto, Gerardo J. "Meteoritos y meteoros en Costa Rica (verdaderos, posibles y falsos)." Revista Geológica de América Central, no. 31 (June 1, 2011). http://dx.doi.org/10.15517/rgac.v0i31.7241.

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