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The Owl Nebula is appropriately named for the two dark cavities that give the nebula the appearance of an owl’s face. It is a planetary nebula formed when a dying star expelled its outer layers of gas into space. The faint halo surrounding the brighter core consists of older material expanding outward, composed mainly of hydrogen and helium. The Owl Nebula lies in the constellation Ursa Major and is located about 2,000 light-years from Earth.

The Owl Nebula is appropriately named for the two dark cavities that give the nebula the appearance of an owl’s face. It is a planetary nebula formed when a dying star expelled its outer layers of gas into space. The faint halo surrounding the brighter core consists of older material expanding outward, composed mainly of hydrogen and helium. The Owl Nebula lies in the constellation Ursa Major and is located about 2,000 light-years from Earth.

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