English Explanatory Dictionary

pale blue dot

English dictionary entry

Meanings

name
  1. The planet Earth.

Word forms

pale blue dot the pale blue dot

Etymology

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.

Related words

Blue Planet
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