This story was updated at 1:50 pm EDT. A dying star hurtling through space has left a comet-like tail that reveals its history stretching back 30,000 years. "This is an utterly new phenomenon to us, ...
A glowing, comet-like tail has been discovered trailing behind a double star called Mira, a phenomenon never seen before. It may contain clues about the star’s activity over the past 30,000 years.