Ben Boyes, who will lead the feasibility team at Airbus, explained:
“It will be a relatively small rover — about 130kg; but the requirements are very demanding. The vehicle will have to cover large distances using a high degree of autonomy, planning its own path ahead day after day.”
Here’s Airbus’ early design for the fetch rover:
It could take the vehicle around 150 days to collect all the canisters Mars 2020 leaves behind. After that, it has to find the rocket it landed with. It will hand off the sample tubes to the rocket and will film it when it blasts off, which means we might be able to see the first liftoff from Mars within less than a decade. That rocket will then rendezvous with an orbiter to bring the samples back to Earth. Of course, all those will only happen if the agencies’ feasibility studies determine that the mission is worth pursuing and if they can develop the technologies it needs.
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