pale blue dot

短语

词形变化

the pale blue dot

释义与例句

name
  1. 1.

    The planet Earth.

词源

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.

来源：wiktionary