sister planets

A form of sister planet — a planet that shares similar physical characteristics, such as size, density and mass, with another planet

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Meanings

noun
  1. pluralplural of sister planet
Cite this entry
APA

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

MLA

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

Chicago

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

Source: sister planets on Wiktionary, CC BY-SA 4.0.