Image source
I am almost certain they got the photo from this website
http://www.fourmilab.ch/earthview/vplanet.html
Specifically - have a look at this one
http://www.fourmilab.ch/cgi-bin/uncgi/Earth?imgsize=320&opt=-z&lat=48&ns=North&lon=6&ew=West&alt=72&img=learth.evif
Adjust the time of day and you get somehting similar to the image in question.
