protoplanets

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A form of protoplanet — An astronomical object, approximately the size of the Moon, formed from the mutual gravitational attraction of planetesimals; they are thought to collide with each other and slowly form planets

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Meanings

noun
  1. pluralplural of protoplanet
Cite this entry
APA

protoplanets. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/protoplanets

MLA

“protoplanets.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/protoplanets. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “protoplanets,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/protoplanets.

Source: protoplanets on Wiktionary, CC BY-SA 4.0.