A robot concept called Hedgehog would explore the microgravity environment of comets and asteroids by hopping and rolling around on them.

How to Explore the Surface of a Comet or Asteroid

Video and audio podcasts from NASA's Jet Propulsion Laboratory feature the latest news on space and science findings from JPL and NASA. Topics include discoveries made by spacecraft studying planets in our solar system, including Mars, Saturn and our home planet, Earth. Missions also study stars and galaxies in our universe. Other topics cover tips for amateur astronomers and updates from the Mars Rover and Cassini missions.

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How to Explore the Surface of a Comet or Asteroid

How to Explore the Surface of a Comet or Asteroid

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