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I am curious why we don't focus more efforts on Titan, which already has a thick nitrogen atmosphere.

It's very far away from the Sun.

Plus Jupiter has a pretty intense magnetosphere that Titan transits. Jovian space has a lot of self generated radiation that makes it less than hospitable.

Edit: Titan is a moon of Saturn. Oops.

Pretty sure everywhere but earth is going to be extremely inhospitable

And us?

Jupiter is 5.2 times farther from the Sun than the Earth. Thanks to the inverse square law, it gets 3.7% of the sunlight that Earth does. You won't be growing any plants there, and solar electric is going to be terrible.

Saturn, which Titan orbits, is 9.6 times farther, and receives 1% of the sunlight that Earth receives.

Mars is much better at 1.5 times farther, and receiving 44% of the sunlight that Earth does.

Also, Titan averages -179C compared to Mars' range from -125C up to 20C.

Go other way to Mercury and one has virtually limitless energy. The polar craters contain ice and a thermal reservoir.

Still very far away from the Sun, but closer.

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