
The First Returns
When the first flight, a robotic one, reaches Mars, there will be no facilities of any kind — only resources in their raw state. And it will be necessary not only to land but also to leave again. And leaving will only be possible after refueling. We will not quite be in a “chicken and egg” situation, since we will have our rocket, with useful equipment on board. The return will nevertheless be very tricky. Let us describe its various stages.







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