Earth
Earth may once have had a ring like Saturn
A ring of asteroid debris could have orbited Earth for tens of millions of years, and perhaps even have altered the planet's climate
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A ring of asteroid debris could have orbited Earth for tens of millions of years, and perhaps even have altered the planet's climate
NASA’s DART mission slammed into the asteroid Dimorphos in 2022, and the European Space Agency is sending the Hera mission to investigate the collision’s aftermath