Have you ever wondered why there are so many amazing videos of Earth from orbit nowadays? The answer is simple: the amazing low-light performance of current DSLR cameras, like the Nikon D3 used by Expedition 29 Commander Mike Fossum.
https://gizmodo.com/this-fluid-fly-by-video-is-the-most-astonishing-view-of-5842671
Watch him explain how he does it to one of our favorite NASA astronauts, Hubble hero Mike Massimino.
https://gizmodo.com/hubble-repair-mission-more-risky-than-you-would-ever-im-5046276