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March 31, 2017
http://ift.tt/1jjgXRG APRIL 1ST COMET FLYBY: Green comet 41P/Tuttle-Giacobini-Kresak is flying over Earth's North Pole this week where sky watchers can find it all night long not far from the bowl of the Big Dipper. At closest approach on April 1st it will be just 21 million km from Earth--an easy target for backyard telescopes! Let me know if you get any images at firstname.lastname@example.org. Why green? Like many comets, 41P has a verdant hue because its atmosphere contains diatomic carbon (C2)--a substance that glows green in the near vacuum of space. Comet 41P is not only approaching Earth, but also the sun. April 12th is the date of perihelion (minimum distance from the sun). This means we are catching the comet just as solar heating is furiously searing its icy core. The green atmosphere should be well puffed up by streamers of vaporizing gas. Learn More: http://ift.tt/qTTQVR My Other Youtube Channel- https://www.youtube.com/Dahboo777 https://twitter.com/dahboo7 https://vid.me/DAHBOO7 http://ift.tt/1hNd0UR http://ift.tt/1UeAg0I B Rich: https://twitter.com/B_Rich33NO https://www.youtube.com/c/BRichOfficial Erick M: https://twitter.com/letmeexplainit https://www.youtube.com/channel/UCcwB6XtfJtyWW4DXKoZVn5A ToBeFree: https://twitter.com/da52true https://www.youtube.com/channel/UCvdTd5-p_sBE8oTjUOqPpPg EnterThe5t4rz: https://twitter.com/Enterthe5t4rz https://www.youtube.com/user/Enterthe5t4rz Mr Anderson- https://www.youtube.com/channel/UCIWu0hs1VEeMZd14lsMNQVQ