advanced alien civilization has the ways and means

Sera Chews maybe, an advanced alien civilization has the ways and means to manipulate such objects and forces to facilitate easy travel in space. An excellent hardcore science-based sci-fi work that doesn't rely on pseudo techno-babble that illustrates this is the novel by Carl Sagan, "Contact". But one doesn't need such extreme possibilities. All it takes is the first initial journey. It's like migrating from New York City to Sydney, Australia. Once in Sydney, it's all local commuting. Sera Chews So once here, our quasi-immortal, technologically advanced E.T. (yesteryear the 'gods' of mythology; today UFOs) sets up shop, say some sort of artificial space colony out in the asteroid belt, maybe even a lunar
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