Happy Earth Day

Earthrise over the moon as seen by the astronauts of Apollo 8 on December 22, 1968.
Earthrise, Apollo 8

This was not the first image of the isolated Earth from space. It was the first which contrasted in the same image the wet, blue and green, atmospheric Earth with the barren, dusted, lifeless Moon.
The rising Earth is about five degrees above the lunar horizon in this telephoto view taken from the Apollo 8 spacecraft near 110 degrees east longitude. The horizon, about 570 kilometers (250 statute miles) from the spacecraft, is near the eastern limb of the Moon as viewed from the Earth. On the earth, the sunset terminator crosses Africa. The south pole is in the white area near the left end of the terminator. North and South America are under the clouds. The lunar surface probably has less pronounced color than indicated by this print.

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Wikipedia: Earth Day
Apollo, NASA

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