First picture of Earth taken from space 20 years ago

First images of Earth from outer space, flight monitoring continuous imaging, resulting in a time-lapse-movie reel.

First dedicated and first published Earth observation images from outer space, first published on March 25, 1947.

First television image of Earth from space and first weather satellite picture.

First space-based Earth observation system; its first successful mission was Discoverer 14 on 19 August 1960.

First image of Earth from another astronomical object (the Moon) and first picture of both Earth and the Moon.

First picture of both Earth and the Moon from the Earth's orbit.

First full-disk pictures of the Earth from a geostationary orbit.

Source: NASA