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Space Travel and Exploration

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arclein

Mars is geologically stable and it should be possible in the lesser gravity to build rather large open spaces and create multi level structures in such spaces. It should be much easier to build out than the equivalent in terms of outright space ha

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arclein

addition to its seas on its surface, scientists recently also discovered hints that Titan possesses an internal ocean, one of water and ammonia. Using radar to peer through Titan's dense atmosphere, NASA's Cassini spacecraft found that over time,

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