Celestial hemisphere:  Northern  ·  Constellation: Cancer (Cnc)  ·  Contains:  PK219+31.1  ·  Sh2-290
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Sh2-290 (Abell 31), KuriousGeorge
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Sh2-290 (Abell 31)

Getting plate-solving status, please wait...
Sh2-290 (Abell 31), KuriousGeorge
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Sh2-290 (Abell 31)

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Description

Sh2-290 or Abell 31 is an ancient planetary nebula about 2,000 light years distant. A planetary nebula is created when a low-mass star blows off its outer layers at the end of its life. Sh2-290 is one of the largest known planetary nebulae, with a diameter of about 7 parsecs. The bluish interior is from energized oxygen atoms. The bright side of the nebula is due to its interaction with ambient interstellar gas.

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