NASA is the indispensable tour guide for space geeks of all sorts. The agency delivers a steady stream of mind-blowing photos -- from spectacularly detailed satellite images of our own planet to fantastic false-color portraits of some of the most mysterious objects in deep space. And you never have to leave home!
Ready for your cosmic sightseeing tour? Scroll down to see NASA's 27 most amazing space photos from 2013.
Ready for your cosmic sightseeing tour? Scroll down to see NASA's 27 most amazing space photos from 2013.