Zusammenfassung
Dozens of books and hundreds of articles have been published about Tunguska. This subject has appeared in academic journals as well as in popular scientific and fringe periodicals.
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Notes and References
If we accept that the TSB started to emit light at an altitude of 150 km (which may be considered as overstating for usual meteors, but admissible), then at a distance of 1,000 km from the epicenter it could be seen if the slope of its trajectory did not exceed 5°. But taking into account various additional factors (such as the radius of the field of vision of the eyewitnesses), this figure should be somewhat increased.
See Dmitriev, A. N., and Zhuravlev, V. K. The Tunguska Phenomenon of 1908 as a Kind of Cosmic Connections Between the Sun and the Earth. Novosibirsk: IGIG SO AN SSSR, 1984, p. 34 (in Russian).
For lovers of exact figures: the Tunguska space body exploded at 0 h 13 min 35 s GMT ± 5 s. See Pasechnik, I. P. Refinement of the moment of explosion of the Tunguska meteorite from the seismic data. – Cosmic Matter and the Earth. Novosibirsk: Nauka, 1986, p. 66 (in Russian).
Recently, there appeared a different estimation – a few megatons. We will consider this figure in the final chapter of the book.
See Demin, D. V., and Simonov, S. A. New results of processing the catalog of Tunguska leveled trees. – Tungussky Vestnik, 1996, No. 3 (in Russian); Demin, D. V. On some peculiarities of the energy-generating zone of the Tunguska phenomenon of 1908. – RIAP Bulletin, 2000, Vol. 6, No. 1; Golenetsky, S. P., Stepanok, V. V. Comet substance on the Earth (some results of investigations of the Tunguska cosmochemical anomaly). – Meteoritic and Meteor Studies. Novosibirsk: Nauka, 1983 (in Russian).
Suslov, I. M. Questioning witnesses in 1926 about the Tunguska catastrophe. – RIAP Bulletin, 2006, Vol. 10, No. 2, pp. 18–19.
Which also testifies that the blast wave could not originate due to the swift fragmentation of the space body – otherwise we would have seen the maximal destructions in a forward direction. See Kuvshinnikov, V. M. On some peculiarities of the Tunguska area of leveled forest. – The Tunguska Phenomenon: Multifariousness of the Problem. Novosibirsk: Agros, 2008, p. 161 (in Russian).
See Tsikulin, M. A. Shock waves generated by the atmospheric motion of large meteorite bodies. Moscow: Nauka, 1968, p. 5 (in Russian).
Around 4.2 × 1010 and 8.4 × 1017 ergs per gram, accordingly.
Pasechnik, I. P. Estimation of parameters of the Tunguska meteorite explosion from seismic and microbarographic data. – Cosmic Matter on the Earth. Novosibirsk: Nauka, 1976 (in Russian).
See Scorer, R. S. The dispersion of a pressure pulse in the atmosphere. – Proceedings of the Royal Society of London. Series A, Mathematical and Physical Sciences, 1950, Vol. 201, No. 1064.
Strictly speaking, microbarographs, which can measure and record very small changes in atmospheric pressure.
For details see Pasechnik, I. P. Science has proved that nuclear explosions can be detected anyplace. – Priroda, 1962, No 7 (in Russian).
Zolotov, A. V. On energy concentration of the explosion of the Tunguska space body. – Zhurnal Tekhnicheskoy Fiziki, 1967, Vol. XXXVII, No. 11, p. 2094 (in Russian).
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Rubtsov, V. (2009). The Theory is Dead: Long Live the New Model. In: The Tunguska Mystery. Astronomers' Universe. Copernicus, New York, NY. https://doi.org/10.1007/978-0-387-76574-7_11
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