File:The Blue Marble.jpg

"The Blue Marble" (or photograph AS17-148-22727 as officially designated by NASA) is a photograph of the planet Earth.

Taken 1972 December 7 at 5:39am EST for the Apollo 17 mission to the Moon by the crew of the Apollo 17 spacecraft (Eugene Cernan, Ronald Evans and Jack Schmitt) en route to the Moon.

Wikipedia