a-nep72-93016← Collection
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Helix planetary nebula (NGC 7293) in Aquarius
- Reference
- a-nep72-93016
- Date
- 2010-06-22
The Helix is a planetary nebula, the glowing gaseous envelope expelled by a dying, sun-like star. The Helix, located 690 light-years away, is one of the closest planetary nebulas to Earth
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