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39. Verschuur, Impact, 7; Raup, Nemesis, 49. 40. Verschuur, Impact, 7. 41. Raup, Nemesis, 158. 42. Luis W. Alvarez, Science, June 1980. 43. Fred Hoyle, Ice (London: Hutchinson, 1981), 167; Alvarez, Crater of Doom, 7. 44. Verschuur, Impact, 28. 45. Alvarez, Crater of Doom, 15; David Brez-Carlisle, Dinosaurs, Diamonds and Things from Outer Space: The Great Extinction (Stanford,Calif.: Stanford University Press, 1995), 102. 46. Alvarez, Crater of Doom, 9. 47. Verschuur, Impact, 123. 48. Paul J. Thomas, Christopher F. Chyba, Christopher P. McKay, Cometsand the Origin and Evolution of Life (New York: Springer Verlag,1997), 225. 49. Alvarez, Crater of Doom, 14; Thomas, Chyba, McKay, Comets and Origin, 225- 50. Alvarez, Crater of Doom, 14. 51. Verschuur, Impact, 10; Claude C. Albritton Jr., Catastrophic Episodes in Earth History (London and New York: Chapman and Hall, 1989), 109. 52. Brez-Carlisle, Dinosaurs, 169–170. Глава 19. Небесные знамения1. David Morrison, quoted in Patricia Barnes-Svarney, Asteroid: Earth-Destroyer or New Frontier? (New York and London: Plenum Press), 246. 2. NASA, Fact Sheet on Asteroid and Comet Impacts, 1997, and authors’ personal communication with David Morrison, NASA, 3 February 1998. 3. Barnes-Svarney, Asteroid, 246ff. 4. Ibid., 247. 5. Ibid., 248; См. также Natural Catastrophes During Bronze Age Civilizations, Second SIS Cambridge Conference, 11–13 July 1997,5,6; Verschuur, Impact, 199. 6. Quoted in Steel, Rogue Asteroids, 254. 7. Hoyle, Ice, 144. 8. Brez-Carlisle, Dinosaurs, 169–170. 9. George Foster, The Meteor Crater Story: Full Dramatic Story of the Worlds First Proven Meteorite Crater (Meteor Crater Enterprises, 1993), 10–15; Kathleen Mark, Meteorite Craters (Tucson, Ariz.: University of Arizona Press, 1987), 25–39. 10. Barnes-Svarney, Asteroid, 157; Вершкуур в кн. Impact определяет частоту открытий как 3–5 в год (стр. 148). 11. John S. Lewis, Rain of Iron and Ice: The Very Real Threat of Comet and Asteroid Bombardment (New York: Addison-Wesley Publishing, 1996), 88. 19. Ibid., 7. 20. Steel, Rogue Asteroids, 91. 21. Quoted in Cox and Chestek, Doomsday Asteroid, 30. — 216 —
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