Social Sciences, asked by AnuragRishi4307, 5 months ago

What is a planetary nebula?

Answers

Answered by ravinedrop07

Explanation:

A planetary nebula, abbreviated as PN or plural PNe, is a type of emission nebula consisting of an expanding, glowing shell of ionized gas ejected from red giant stars late in their lives. The term "planetary nebula" is a misnomer because they are unrelated to planets or exoplanets.

Answered by abhiram14312

Explanation:

a ring-shaped nebula formed by an expanding shell of gas round an ageing star.

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