pale blue dot

proper noun

The planet Earth.

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Meanings

proper nounthe pale blue dot
  1. The planet Earth.

Origin

Referring to the Earth's appearance from space; Pale Blue Dot is a photograph of Earth taken in 1990 by the Voyager 1 spacecraft from a record distance of about 6 billion kilometers and named by American astrophysicist, cosmologist and author Carl Sagan.

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Cite this entry
APA

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

MLA

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

Chicago

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

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