Quote:
Originally Posted by Stomoxys
Another drawback is that it requires an atmosphere with oxygen (or possibly some other oxidizer?).
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Places with significant atmospheres in our Solar System besides Earth comes out to Venus, Titan, Jupiter, Saturn, Uranus, Neptune and maybe Io. Of those Titan leads as a possibly desirable landing site by a wide margin.
Trying to guess about hypothetical planets/moons outside your Solar System with non-oxygen atmospheres and the biggest possiblity might be a sort of super-Mars.
So needing oxygen may not be that big a limitation