A huge asteroid is flying by Earth today

A giant asteroid is headed straight toward Earth, but NASA says not to worry.

The asteroid, 2004 BL86, will be about 745,000 miles from Earth, which is roughly three times as far away as the moon is. That may sound far away, but today's event marks the closest known asteroid of its size to pass near Earth until 2027.

Check out a video of the asteroid reaching its closest point with Earth here — and if you've got clear skies at home, scientists estimate that the best time to watch the event is between 8:00 p.m. Monday and 1:00 a.m. Tuesday. If your skies aren't affected by the Northeast blizzard, these NASA sky charts will help you figure out when is the best time to look for the asteroid today.

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