View Full Version : Spitzer Finds Evidence of Violent Planetary Collision

2009-Aug-10, 08:50 PM
One of the main theories of how our Moon formed involves a violent cosmic collision between two planets. Astronomers have only been able to hypothesize what this collision was like, but now they have a better idea of what would ensue after such an event. With its infrared eyes the Spitzer Space Telescope [...]

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