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Speeding star leaves spectacular tail in its wake

Thursday, 16 August 2007 Cosmos Online Long-haul flight: Mira appears as a small white dot in this bulb-shaped structure, and is moving from left to right in this view. The shed material can be seen in light blue. The star’s comet-like tail stretches a startling 13 light-years across the sky. For comparison, the nearest star to our sun, Proxima Centauri, is only four light-years away. Image: NASA