Titlebook: Catastrophic Events Caused by Cosmic Objects; Vitaly Adushkin,Ivan Nemchinov Book 2008 Springer Science+Business Media B.V. 2008 Asteroids

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Bolides in the Earth Atmosphere,about these meteoroids is scarce. These bodies create the appearance of very bright meteors in the Earth’s atmosphere (bolides and superbolides). Sizes of these bodies are one to two orders of magnitude smaller than the sizes of meteoroids, which create asteroid hazards. It is possible to observe bolides and superbolides on a regular basis

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w aspects of the problem of asteroidal hazards.Sophisticated.Many times all of us could hear from mass media that an asteroid approached and swept past the Earth. Such an asteroid or comet will inevitably strike the planet some day. This volume considers hazards due to collisions with cosmic objects

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Cometary Hazards,second problem lies in the “fading” of comets; and it is important to value a portion of “dormant” comets in a total population of bodies whose orbits intersect with the Earth and planets. This chapter lays out the authors’ vision of the modern aspects of these problems

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