eloel- t1_j295vgy wrote
If earth had more gravity, we'd need more force to get us out. I don't know if the 50% figure is a tight limit, but at SOME limit, the amount of fuel you need to escape gravity is more than the amount you can carry, so you stay grounded. That's of course a current-tech thing, future tech might fix it.
A larger earth means a larger gravity, hence the connection
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