From Discovery News:
When I first saw this ghostly Hubble Space Telescope image, I assumed that faint blurry spiral was a lens flare or some other photographic anomaly. But on closer inspection, the details started to present themselves.
As imaged by the space telescope's sensitive Advanced Camera for Surveys, this striking pattern is formed by material being ejected from a dying star. But this isn't a lone star; there's a second star -- a binary partner -- orbiting with it and modulating the expanding gas.
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