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ORIGIN OF THE ASTEROIDS

by: BRONSHTEN, V. A

Publication date: 1972-05-01

Usage: Public Domain

Topics: AIRCRAFT WAKES, CV-990 AIRCRAFT, HOT-WIRE ANEMOMETERS, WIND TUNNEL MODELS, ANGLE OF ATTACK, TRAILING EDGE FLAPS, VORTICES, TRAILING EDGE FLAPS

Collection: nasa_techdocs

Contributor: NASA

Language: English

Rights: Public Domain

THE ORIGIN OF THE ASTEROIDS IS DISCUSSED IN THE LIGHT OF THE CURRENT STATE OF KNOWLEDGE. THE TOPICS INCLUDE ASTEROID ORBITS AND MASSES, ASTEROID DISTRIBUTION ACCORDING TO PERIODS, THE HISTORY OF ASTEROID FRAGMENTATION, AND THE DISINTEGRATION OF THE HYPOTHETICAL PLANET PHAETON. SOME DETAILS ARE GIVEN ON A PHAETON MODEL ACCORDING TO WHICH IRON-NICKEL METEORITIES ARE FRAGMENTS OF THE NUCLEUS, IRON-STONE METEORITES ARE FRAGMENTS OF THE MIDDLE LAYER, AND STONE METEORITES ARE FRAGMENTS OF THE MANTLE OF THE EXPLODED PLANET.