Planetary systems begin in chaos. In their primitive form, many rocky and icy objects are careening through space, smashing ...
Modern Engineering Marvels on MSN
Twin cosmic smash-ups rewrite the story of Fomalhaut’s hidden worlds
Could two giant planetary building blocks really meet in the same star system in just two decades? In the star system around ...
Looking for a sky event this week? Check out our full Sky This Week column. December 25: Celebrate with the Christmas Tree Cluster The Moon passes 4° north of Saturn at 11 P.M. EST. The pair is ...
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