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  • 12-04-2021
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How are planetary nebulae formed?

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denisselove055
denisselove055 denisselove055
  • 12-04-2021

Answer:A planetary nebula is created when a star blows off its outer layers after it has run out of fuel to burn. These outer layers of gas expand into space, forming a nebula which is often the shape of a ring or bubble. About 200 years ago,

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