Questions tagged [refueling]

Questions about adding additional propellant to a spacecraft after it is in space, in order to allow it to go further, carry a greater payload, or to continue to maneuver or maintain attitude control.

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What fuels would make refueling in space more dangerous/complicated?

I saw the question: Has in-space refueling been done? And was actually beginning to wonder, is refueling and transferring propellant dangerous in space? I understand that this would most likely be ...
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Max final speed of a Falcon 9 2nd stage after being refueled in LEO?

Starship payload to LEO is about 100 tons Falcon 9 second stage needs about 100 tons of propellant. If a Falcon 9 second stage waits in orbit, a Starship comes and refuels it, then Falcon 9 uses all ...
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Moon Mission - Mars Mission

They can stay on the moon only around for 3 days because of the fuel but they need around 6 months to reach Mars. Now they are working on the Propellant depot project to be able to reach the moon and ...