Quote:
Originally Posted by GN0010 Nosferatu
You had asked why they bothered looking for a habitable planet, and I responded with that. They went looking because their parent star was about to eat their home world.
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Yes but what I meant was (I might've been a bit to vague), gas giants are so common that they really didn't have to go out of there way to go all the way to Jupiter for it. So their reason for being close to Earth most probably isn't because of finding a new home. And the fact that they can travel in deep space for so long already means they can live in space for a very very very long time.