There are thousands of asteroids whose orbit in the Solar...

There are thousands of asteroids whose orbit in the Solar System crosses that of Earth. And we have a little acronym for them - NEOs: near Earth objects. And our biggest goal is to try to catalogue them, so we know in advance if one is going to put us at risk.

Neil deGrasse Tyson Quote About Advance, Biggest, Catalogue, Crosses, Earth: There Are Thousands Of Asteroids...

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