Archive for November 21, 2017

10P3/Hartley 2 Or Comet Hartley

It’s definitely not Nibiru, nor planet X! It’s the BIG GREEN COMET! The icy nucleus of comet 103P/Hartley 2 measures no more than a couple of kilometers across. That tiny nugget, however, is surrounded by an vast atmosphere of gas more than 150,000 km in diameter–about the same size as the planet Jupiter! And it’s…

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