NASA | RRM: The Main Event

In orbit at 18,000 miles an hour, day and night change places every 90 minutes. Darkness and light, sleep and wake: it's tough to focus on precise tasks floating outside the International Space Station. But not if you're a robot. NASA's Robotic Refueling Mission puts that proposition to the test, with a first-of-its-kind demonstration of a simulated fuel transfer in space, no human in sight. But first, there's a pile of prep before the operation can commence. This video is public domain and can be downloaded at: http://svs.gsfc.nasa.gov/vis/a010000/a010900/a010988/index.html Like our videos? Subscribe to NASA's Goddard Shorts HD podcast: http://svs.gsfc.nasa.gov/vis/iTunes/f0004_index.html Or find NASA Goddard Space Flight Center on Facebook: http://www.facebook.com/NASA.GSFC Or find us on Twitter: http://twitter.com/NASAGoddard