Wednesday 9 May 2012
Image of the Day: Ghostly Remnant of a Sun-Like Star
Image of the Day: Ghostly Remnant of a Sun-Like Star: Abell 39, about 7000 light years away, is a ghostly remnant of a Sun-like star and one of the largest existing spheres in the Milky Way. Six light-years across, it was once a sun-like star's outer atmosphere expelled thousands of...
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