Planetary Nebula Definition

plănĭ-tĕrē
noun
A glowing, expanding nebula that forms around a collapsing star.
Webster's New World

(astronomy) A nebulosity surrounding a dying star, consisting of material expelled by the star.

Wiktionary

Other Word Forms of Planetary Nebula

Noun

Singular:
planetary nebula
Plural:
planetary-nebulae, planetary-nebulas

Origin of Planetary Nebula

  • Coined by William Herschel because of their apparent resemblance to the planet Uranus.

    From Wiktionary

Planetary Nebula Sentence Examples

  • Nebular chemistry was initiated by the same investigator when, on the 29th of August 1864, he observed the bright-line spectrum of a planetary nebula in Draco.

  • The expended gas frequently forms an impressive display called a planetary nebula that fades gradually over thousand of years.

  • Our own Sun may eject a similar planetary nebula some 6 billion years from now.

  • It continues to lose mass via a stellar wind as it dies, forming a planetary nebula.

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Words Starting With

PPLPLA

Words Ending With

ALAULA

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planetary nebula

Words Starting With P and Ending With A

Starts With P & Ends With AStarts With PL & Ends With AStarts With P & Ends With LA

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