Chances are good that you've never seen Earth in its entirety, on a planetary scale, with your own eyes. Chances are also good that you have seen a photograph of precisely that -- like this very image, the first of its kind.
Earthrise: 50 Years Ago Today, Apollo 8 Changed Humanity's Vision of Earth Forever
SPACE.com - 24 Dec 2018 14:51
Chances are good that you've never seen Earth in its entirety, on a planetary scale, with your own eyes. Chances are also good that you have seen a photograph of precisely that -- like this very image, the first of its kind.
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