![]() AFP | Research shows why some asteroid belts differ msnbc.com Gas giant planets that migrated early in the history of the solar system could have violently knocked some of the asteroid belt's ... Researcher: Orbits Went Kablooey When Solar System Was a Teenager Physicists Say Many Asteroids May Be Retired Comets Contamination of the asteroid belt by primordial trans-Neptunian ... |
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