Testing a space rover

In a first-time success, NASA remote pilots a roving, untethered vehicle under Alaska’s ice. It’s a milestone in the quest to develop an unmanned vehicle that could one day plumb the icy reaches of Jupiter’s moon Europa.

As interesting as this video is, it raises many questions. All of those questions will have to be answered by the scientists on the project.

How thick is the ice on Europa?
What device will cut the hole for the rover?
What gas will be used to keep the rover buoyant?
How will the rover transmit data through the layer of ice to the satelllite? Etc.

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