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First of all, it takes a couple of minutes for the radio waves from Earth to reach Mars. Hence, we cannot control the rover like a remote-control car. The moves have to be planned, and sent as instructions to the rover. The rover then carries out those instructions and notifies the Control Center when it is done.

Secondly, if something goes wrong with your RC car, you can just pick it up and fix it. If it flips over, you can just pick it up and place it correctly. If it gets stuck, you can move it yourself. All this is not possible on Mars. The Engineers have to be very careful when giving commands to the rover. One wrong move could mean the loss of the rover, along with the loss of a lot of money

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15y ago

What else can I help you with?