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NGC 7293, commonly called the Helix Nebula, is a planetary nebula in the constellation Aquarius. It consists of glowing gas expelled by a dying, low- or intermediate-mass star, whose remaining core is the central white dwarf. The Helix is a nearby and extensively observed example of this stage of st...
Why this score
Exceptional proximity, iconic eye-like form, intricate cometary knots, superb imagery, and universal recognition make it a benchmark planetary nebula.
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The Helix Nebula, formally NGC 7293, is a large planetary nebula situated approximately 650 light-years from Earth within the Aquarius constellation. It’s notable as one of the largest planetary nebulae in terms of apparent size, showcasing intricate structures formed by the expelled gases of a dyin...
