planetary nebulas

A form of planetary nebula — A nebulosity surrounding a dying red giant, consisting of material expelled by the star.

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Meanings

noun
  1. pluralplural of planetary nebula
Cite this entry
APA

planetary nebulas. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/planetary%20nebulas

MLA

“planetary nebulas.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/planetary%20nebulas. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “planetary nebulas,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/planetary%20nebulas.

Source: planetary nebulas on Wiktionary, CC BY-SA 4.0.