Source: http://www.nasa.gov/externalflash/HRP_Fe...
Stashed in: NASA, Space!
Comet ISON is looking more and more spectacular by the day
NASA: Solving problems in space helps technology on earth.
NASA’s mission improbable | The Washington Post
Neil Tyson Pounds The Table, Demanding A Future, Now!
9:56 PM Dec 30 2013