blue planet

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Blue Planet^¹

proper noun the Blue Planet

The planet Earth.
Similar: Third Planet

blue planet^²

noun blue planets

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.

proper noun the blue planet

Alternative letter-case form of Blue Planet

Translations

Every language

name Earth

日本語	青い惑星 aoi wakusei
Português	planeta azul
Français	planète bleue
Русский	голуба́я плане́та golubája planéta

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MLA

"blue planet." Wiktionary, via Micwyn, micwyn.com/word/blue%20planet. Accessed 6 Nov. 2026.

APA

blue planet. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/blue%20planet

Chicago

"blue planet." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/blue%20planet.

BibTeX

@misc{blue_planet_2026,
  title = {blue planet},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/blue%20planet},
  urldate = {2026-11-06}
}