VIDEO | How Do You Land a Probe on a Comet? by SpaceNews Editor — March 6, 2013 University of Michigan Professor Planetary Science and Cometary Physics, Mike Combi, gives a synopsis of the Rosetta orbiter/lander spacecraft, which is slated to intercept a comet in 2014 or 2015. Credit: University of Michigan Civil Missions Please enable JavaScript to view the comments powered by Disqus.