Apr 22, 2016

Find a caption

Well, us regulars would expect this to be a cloud of debris pushed out by an exploding supernova. But, no-no, this bubble was/is generated by the solar wind of a still-regular star at its center (only ten times the size of our own sun), and the whole thing is known as NGC 7635, what else. It's (only) 8,000 light years away:


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