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All aboard for Mars? Why not?
An image of the SpaceX Falcon 9 rocket over Los Angeles, December 2017. (Photo: Philip Pilosian)Will you (OK, your grandchildren) someday take a vacation jaunt to Mars? Or maybe move there permanently? You will if California’s 0utside-the-box-thinker Elon Musk and his competitors have their way. Non-passenger commercial space activity is already big business. Musk’s SpaceX company launches satellites into orbit, charging commercial customers $62 million per launch to as much as $20 million more for more complicated tasks, such as resupplying the International Space Station.