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The problem is that it costs a LOT OF ENERGY to launch someone into orbit. (plus food, oxygen, etc.)
by fsk 13y ago
The problem is that it costs a LOT OF ENERGY to launch someone into orbit. (plus food, oxygen, etc.)
- zo1 13y agoHence why they are going to Mars and the rest of space: to find more of it. Please, pay attention, try to keep up!