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Hulk Smash! Collision That Formed Our Moon Shows Up In Lunar Rocks, Study Says
Artist’s conception of two celestial bodies smacking into each other. Such a collision is believed to have formed Earth’s moon. Credit: NASA/JPL-Caltech
Billions of years ago, so the theory goes, a Mars-sized body (sometimes called “Theia”) smashed into our young planet and caused a near-catastrophe. Earth fortunately survived the risk of blowing apart, and the fragments from the crash gradually coalesced into the Moon that we see today.
Even though this happened a heck of a long time ago, scientists believe they have found traces of Theia in lunar rocks pulled from the Apollo missions.
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Read the rest of Hulk Smash! Collision That Formed Our Moon Shows Up In Lunar Rocks, Study Says (253 words)
© Elizabeth Howell for Universe Today, 2014. |
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Source: http://www.universetoday.com/112418/hulk-smash-collision-that-formed-our-moon-shows-up-in-lunar-rocks-study-says/
