LOL, you guys keep astounding me...
First Vishnu manages to find the source with a simple google search. Now Jakob tells us it's actually a sunset.
I was just overwhelmed that we puny
humans managed to create a device capable to go to another planet take this picture and send it back. That was the reason I couldn't find the words to describe my feelings.
Thanks +Vishnu Suresh
& +Jakob Wester
for making much more sense out of this. :)