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Why is it called Mira A bizarre comet tail star?

April 26, 2017bizarre called CoMeT Mira star tail

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Why is it called Mira A bizarre comet tail star?

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The “comet tail” part comes from the fact that Mira is leaving a trail of material about 13 light-years long behind it. This is a fairly recent discovery, since the tail cannot be seen in visible light; it was not observed until Mira was studied in ultraviolet light by NASA’s GALEX satellite.