This picture is often shared with title “Who agrees that this is the best ever selfie?” or “looking at earth from space”.
I tried to debunk the claim initially in August, because the picture does not appear to be a real photograph. Usual reverse image search tools (TinEye, Google, Bing, Yandex) didn’t give any reliable results. I found a CBS News article “Out-of-this-world astronaut selfies” which was actually just confusing.
CBS News article about this picture:
Astronaut Samantha Cristoforetti
Italian Astronaut Samantha Cristoforetti sent the people of Macedonia a greeting from space on twitter with this selfie, 2014.
Cristoforetti began her mission on the International Space Station November 23, 2014.
The astronaut in the picture is most likely Aki Hoshide: you can find a matching photo from Wikipedia (2012). PicPedant did some research this December and noticed that the “Selfie is pasted over a DMSP sat composite mapped onto a sphere“. But who made this composite?
It took some time to find the correct answer, because the reverse image search engines are not good at finding pictures in sites like Facebook and Instagram. This picture is digital art created by Robert Jahns (aka Nois7) with title “Happy Earth Day”. Robert Jahns is a photographer and digital artist known for his surreal photo manipulations. Check out his web page and Instagram account for more images.
This picture has been shared so many times without mentioning the artist that it is difficult to locate the original. That CBS News article just makes the task more difficult.
See also: HoaxOfFame