NPR News: An Asteroid Is Swinging By Earth Today For Its Closest Visit In 400 Years

An Asteroid Is Swinging By Earth Today For Its Closest Visit In 400 Years
Don't worry: Astronomers say asteroid 2014 JO25, which is more than a third of a mile wide, will fly harmlessly past our planet. Still, it should come close enough to be visible with small telescopes.

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at April 19, 2017 at 10:09PM
Health & Science