Sunday, March 20, 2016

Historic double comet flyby coming Monday and Tuesday: Here's what you need to know

The bigger of the two bodies, known as 252P/LINEAR, is about 750 feet in size and surrounded by an emerald green cloud of gas. It is expected to make its closest approach to our planet on March 21 at 5:14 a.m. PDT.
At that time, it will come within 3.3 million miles of Earth, or about 14 times farther from our planet than the moon on March 21. 

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