A Fascinating Theory About a Ring of Asteroids Around Earth Has Some Wild Implications for Evolution
L ike many of us, Earth bears old pockmarks. Our planet’s crust has a band of ancient craters that formed around 465 million ...
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Earth May Have Once Had a Saturn-Like Ring, New Study Says
Uranus and Neptune also have rings. And now, a new study published in the scientific journal Earth and Planetary Science Letters seems to show that Earth itself once had a similar ring.