Academic literature on the topic 'Explosion, 1986'

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Journal articles on the topic "Explosion, 1986"

1

Xun-Ren, Yang, and Xie Jin-Lai. "Detection and Analysis of the Infrasonic Waves Attached to the Tragic Explosion of U.S. Space Shuttle “Challenger”." Journal of Low Frequency Noise, Vibration and Active Control 5, no. 3 (1986): 100–103. http://dx.doi.org/10.1177/026309238600500302.

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Thirteen hours after the tragic explosion of the U.S. space shuttle “Challenger” at an altitude of 15km on 29th January 1986, a sequence of strong infrasonic waves was received by a set of sensitive microbarographs on the ground level about 14300km distant. These waves, with periods 400–700 seconds, amplitude about 30Pa and propagation velocity about 300m/s are very similar in character to those from nuclear explosions. Based on the analysis of the power spectrum, the main period of the signal can be determined as 537 sec and over 90 per cent of the energy concentrates within the range of 300–
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Noreau, Louis, and Philipp P. Kronberg. "A Multi-Frequency Study of the Peculiar Interacting System ARP 206." International Astronomical Union Colloquium 124 (1990): 69–73. http://dx.doi.org/10.1017/s0252921100004917.

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Arp 206 is a nearby (7.8 Mpc), relatively large (7′.5 x 2′.0), and bright ( = 11.07) interacting system comprising unequal members: NGC 3432 and UGC 5983. A third anonymous galaxy, “Arp 206c”, is visible in the field, (see Figure la) Vorontsov-Velyaminov (1959) included the NGC 3432-UGC 5983 pair in his Atlas and Catalogue of Interacting Galaxies (VV-11). On the other hand Arp (1966) interpreted the system as a galaxy with material ejected from the nucleus (Arp 206).Bertola (1966, 1968, and priv. comm.) obtained long-slit spectra of the largest galaxy of the pair, NGC 3432. This showed strong
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Wilson, James R. "SN 1987a: Calculations Versus Observations." International Astronomical Union Colloquium 108 (1988): 348–53. http://dx.doi.org/10.1017/s0252921100094094.

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In this report the result of old calculations (Mayle 1985; Woosley, Wilson, Mayle 1986; Mayle, Wilson, Schramm 1987) of collapse driven explosions and new calculations of the kelvin-Helmholtz proto-neutron star cooling will be compared with the neutrino observations of supernova 1987a. The calculations are performed by a modern version of the computer model of Bowers and Wilson 1982. (See Mayle 1985 for more recent improvements).First we give the results of the old calculations. In the collapse, bounce and cooling of the central iron core of a massive star, about 0.1% of the binding energy of
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Hénaff, Didier Le, and Michel Crête. "Introduction of muskoxen in northern Quebec: the demographic explosion of a colonizing herbivore." Canadian Journal of Zoology 67, no. 5 (1989): 1102–5. http://dx.doi.org/10.1139/z89-156.

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Between 1973 and 1978, 42 muskoxen (Ovibos moschatus), mostly immature, were released northwest of Kuujjuaq, along the south shore of Ungava Bay. Helicopter censuses, complemented by ground observations, were conducted over 725 km2 in 1983 and 1986: 148 and 290 animals were counted during the first and second surveys, respectively. The finite rate of increase of the population averaged 1.25 during the 3-year interval; that rate indicates high fecundity and low mortality, because the maximum finite rate of increase is 1.30 if all animals survive and if females first calve at 3 years of age and
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Ibodov, F. S., S. S. Grigorian, and S. Ibadov. "Cometary nature of the 1908 Tunguska cosmic body." Proceedings of the International Astronomical Union 5, S263 (2009): 269–71. http://dx.doi.org/10.1017/s1743921310001900.

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AbstractThe cometary nature of the 1908 Tunguska cosmic body is compatible with the predictions of an analytical theory of the 1908 Tunguska explosion developed in 1976–1979. The theory takes into account the three simultaneously occurring processes, namely aerodynamic destruction of the cosmic body in the Earth's atmosphere, transversal expansion of the crushed mass under the action of pressure gradient on the frontal surface of the body, and an aerodynamic deceleration of crushed expanding mass. The use, for the mechanical parameters of the Tunguska cosmic body, of the characteristics of a c
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Lozinskaya, Tatiana A. "Interstellar gas around WO stars in the Galaxy and the Magellanic Clouds." Symposium - International Astronomical Union 148 (1991): 438–39. http://dx.doi.org/10.1017/s0074180900201113.

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The four oxygen-sequence WR stars, Sand 1 in the Small Magellanic Cloud (SMC), Sand 2 in the Large Magellanic Cloud (LMC), and WR 102 and WR 142 in the Galaxy represent the latest stage of the evolution of massive stars (Sanduleak 1971, Barlow and Hummer 1982, Moffatet al.1985). We have shown WR 102 to be a stripped CO core of a supermassive star (Dopitaet al.1990), probably seen only several thousand years before a SN explosion. The four stars are characterized by extremely energetic stellar winds –Vw from 4500 to 7400 km/s (Barlow and Hummer 1982, Dopitaet al.1990, Torreset al.1986). Examina
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McClung, Grant. "Explosion, Motivation, and Consolidation: The Historical Anatomy of the Pentecostal Missionary Movement." Missiology: An International Review 14, no. 2 (1986): 159–72. http://dx.doi.org/10.1177/009182968601400203.

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In 1986 America's oldest Pentecostal denomination will celebrate its centennial, and the events at Azusa Street in 1906 will be recalled in an eighty-year celebration. It is significant, then, that this article recalls some of the early dynamics of the beginnings of the modern Pentecostal movement. The article demonstrates how the Pentecostal movement was decidedly missionary from its birth and asserts that the history of Pentecostalism cannot be rightly appreciated and understood apart from its missionary vision. Some of the theological motivations which produced the missionary fervor of earl
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Knorre, Helene. "`The star called Wormwood': the cause and effect of the Chernobyl catastrophe." Public Understanding of Science 1, no. 3 (1992): 241–49. http://dx.doi.org/10.1088/0963-6625/1/3/001.

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The explosion at the Chernobyl nuclear power station in 1986 astounded the world. It was shocking not just because of the technical failure—unfortunately such things happen from time to time—but as a social and political failure. The Chernobyl catastrophe undermined and exposed the false, vicious and inhumane Soviet totalitarian system. The Chernobyl explosion initiated the disintegration of the corrupt Communist regime—a regime which had been deemed unshakeable in the USSR.
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9

Ichihara, Kanji. "Explosion problems for symmetric diffusion processes." Transactions of the American Mathematical Society 298, no. 2 (1986): 515. http://dx.doi.org/10.1090/s0002-9947-1986-0860378-9.

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Roubaud, Luísa. "After Looking North and West: Portuguese Contemporary Dance and the European Crises." Congress on Research in Dance Conference Proceedings 2016 (2016): 323–32. http://dx.doi.org/10.1017/cor.2016.43.

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In the four decades that followed the April 1974 revolution, which ended the Estado Novo's dictatorship (1926–1974) and the Portuguese colonial empire, contemporary theater dance has witnessed an explosion in Portugal. After 1974, the African decolonization, the subsequent flow of immigrants, European Union accession (1986), and the opening to the contemporary Western world have substantially altered Portugal's political and demographic landscapes, social practices, and expressive cultures. Considering the current European crises, this article discusses how Portuguese contemporary dance is rec
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