Scientists from the European Science Administration have landed a probe on the surface of a comet!!!!
Watch the video from NASA about this landers mission and answer the questions below.
Learn even more about the mission from the BBC News:
http://www.bbc.com/news/science-environment-30033331
and Space.com
http://www.space.com/27697-rosetta-comet-landing-full-coverage.html
Video Link:
http://youtu.be/tYGf4xP1AEc