Astronomers witness 'dramatic' collision of two planets — and they think it's a replay of how our moon was created

When worlds collide…suns act squirrely. Astronomers have witnessed a rare and violent cosmic crash between two planets, and they say the fallout could teach us about the formation of our world. The ...
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Astronomers Witness Rare Collision of Two Distant Planets

What does it look like two planets collide? This is what a recent study published in The Astrophysical Journal Letters hopes to address as a pair of resear | Space ...