Earthrise reimagined: On December 24, 1968, during a live Christmas Eve broadcast from orbit around the Moon, NASA's Apollo 8 astronauts shared a spectacular image of Earth rising on the lunar horizon.

Voyager drifts away: Voyager captured this unique view of Earth as it continues to drift farther away from home.

Blue Marble: The DSCOVR satellite returned its first view of the entire sunlit side of Earth, captured one million miles away.

Earthrise from Moon: This stunning image was captured by the lunar orbiter showing Earth rising on the lunar horizon.

Earth and the Moon: NASA's Deep Space Climate Observatory captured a unique view of the Moon as it passed between the spacecraft and Earth.

Far Far Away: NASA's Cassini spacecraft captured this unique view of Earth during a flyby near Saturn's rings.

Family portrait: NASA's Galileo spacecraft captured this portrait of the Earth and its Moon.