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Video: NASA reveals 'hedgehog' robot that can explore the surface of a comet or asteroid

Hopping, tumbling and flipping over are not typical manoeuvres you'd expect from a spacecraft exploring other worlds.

However, NASA has revealed a concept for a rover called the 'hedgehog' that can do just that.

The space agency says it could be ideal for exploring planets and asteroids, as its rugged design means it can fall and hop its way out of trouble.

Credit: NASA Jet Propulsion Laboratory

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