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Q&A Which moon is most favourable as a refuelling station?

My hypothetical gas giant has five major moons. Three of those moons are icy bodies with abundant water ice and volatiles. Any of these could provide fuel for translunar spacecraft, or for spacecra...

3 answers  ·  posted 5y ago by Arkenstein XII‭  ·  last activity 5y ago by Arkenstein XII‭

Question space travel moons orbital-mechanics space-travel economy