Watch now: Enormous space rock slated for Earth flyby

An asteroid about the size of the Eiffel Tower is slated to streak by our planet at 25,000 miles per hour this evening.

Asteroid 2012 QG42. Remanzacco Observatory

A massive space rock traveling 25,000 miles per hour will get within 1.7 million miles from the Earth tonight. You'll be able to track its path live during a Slooh Space Camera show, starting at 4 p.m. Pacific/7 p.m. Eastern.

The asteroid, called 2012 QG42, will have about the same amount of brightness as the dwarf planet Pluto. Discovered a couple of weeks ago, 2012 QG42 is estimated to be between 625 feet and 1,500 feet in diameter.

The good news: There's no chance of a collision between the asteroid and Earth today. As for the future, that's anyone's guess right now.

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