blue planets

A form of blue planet — Any exoplanet, putative or known, whose climate is similar enough to Earth's in which humans take special interest as a possible home world of exolife, a possible target for colonization, or both.

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Meanings

noun
  1. pluralplural of blue planet
Cite this entry
APA

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

MLA

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

Chicago

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

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