Morning Overview on MSN
Astronomer reports comet may have stopped spinning and reversed rotation
Astronomers studying Comet 41P/Tuttle-Giacobini-Kresak have reported evidence that the small icy body may have done something ...
Far from being solid bullets of rock, many asteroids are fragile clusters of debris that spin so quickly they flirt with self-destruction. When their rotation rate climbs past a critical threshold, ...
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