Source: 40 Of The Most Powerful Photographs Ever Taken
Stashed in: The Universe, Space!, Astronomy Pics, History Pics
Earthrise Source: apod.nasa.gov, via Reddit.
I could look at this image for hours. Space is so dark; the earth is so blue.
Hat tip to Reddit, Iconic Photos, and World Press Photo for so many amazing images.
But this one is my favorite of those 40 chosen by B'feed.