The photograph is one of only a few that shows the planet fully illuminated.
All in Exploration
Creatures on the Moon
In 1835 the New York Sun published the first of six articles detailing the amazing discovery of life on the moon.
Isolated
In 1971, Al Worden became the "most isolated human being" as he orbited the moon 2,235 miles from his Apollo 15 crew members.
Skylab is Falling
In 1979, America's first space station, the 100-ton Skylab, came crashing back to Earth.
The Mountain Man
Jim Bridger was one of the first white men to see the geysers of Yellowstone and the Great Salt Lake.
Landing on an Asteroid
The spacecraft performed a slingshot maneuver around the Earth that propelled it toward its rendezvous with a peanut-shaped rock.
First Golf Shot on the Moon
After a couple of slices, Shepard connected on a shot that according to him flew for "miles and miles and miles."
Space Chimp
On this day a chimpanzee named Ham became the first hominid in space.
Going the Deepest
This was the day that two men went to the deepest place on earth.