Mira (omicron Ceti) is a pulsating variable star, 300 light years away in Cetus, with a 13-light-year long tail and a spiral structure in the head of the comet-like cloud that contains Mira itself and a companion star

 
Mira (omicron Ceti) is a pulsating variable star, 300 light years away in Cetus, with a 13-light-year long tail and a spiral structure in the head of the comet-like cloud that contains Mira itself and a companion star

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