NGC 7293 (Helix Nebula)
作者:jll
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The Helix Nebula (also known as NGC 7293 or Caldwell 63) is a planetary nebula located in the constellation Aquarius. The distance, measured by the Gaia mission, is 655±13 light-years. This nebula has sometimes been referred to as the "Eye of God" in pop culture, as well as the "Eye of Sauron"
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