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Asteroid that brushed past Earth had a small moon in tow
Asteroid that brushed past Earth had a small moon in tow

The asteroid that flew past Earth on Monday was not traveling alone. As you can clearly see in the image above, it was accompanied by its very own mini-moon.  The picture was taken by NASA's Deep Space Network antenna at the Goldstone complex in California. The radar images also reveal that the asteroid known as 2004 BL86 is about 1,100 feet across, or nearly the length of four football fields. The smaller asteroid, or moon, that orbits the larger body is 230 feet across, about the size of the Statue of Liberty and her pedestal. It is not completely unexpected to see an asteroid flying through space with its own little moon in tow. About 16% of near-Earth asteroids...

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