Smithsonian Magazine on MSN
A Planet Slammed Into Earth 4.5 Billion Years Ago, Forming the Moon. The Projectile May Have Been Our Neighbor
Around 4.5 billion years ago, a planet called Theia is thought to have smashed into newborn Earth. The messy collision kicked ...
The giant impacts that dominate late stages of planet formation have a wide range of consequences for young planets and their atmospheres, according to new research. Research led by Durham University ...
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