How to Explore the Surface of a Comet or Asteroid
https://youtu.be/bDmoqjNQAu8
A robot concept called Hedgehog could explore the microgravity environment of comets and asteroids by hopping and rolling around on them. See Hedgehog in action in the microgravity environment of a "vomit comet" parabolic flight. Read more about Hedgehog here:http://www.jpl.nasa.gov/news/news.php...
