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Actually there is fuel in space - water and sunlight. You can split water into hydrogen and oxygen using electricity from sunlight. In long term, most likely
by Isinlor 5y ago
Actually there is fuel in space - water and sunlight.
You can split water into hydrogen and oxygen using electricity from sunlight.
In long term, most likely both Hydrolox and Methalox will be in use.
- maccam94 5y agoI think the parent comment meant to say there is no propellant in space.
- Isinlor 5y agoThere are comets in space, so there is water and water can be made into propellant. Ceres also seems to have a lot of water: https://astronomy.com/news/2020/08/ceres-an-ocean-world-in-the-asteroid-belt https://astronomy.com/news/2020/08/ceres-an-ocean-world-in-t...
- Andrew_nenakhov 5y agoSolar sails can get you to anywhere in the Solar system. Not very fast, but essentially free. So a swarm of drone ships with solar sails can transport an almost infinite amount of propellant to your refueling bases from mining sites.