10 Start-Ups Looking to Profit from a New Space Race

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SpaceX

The "other" company from Tesla founder Elon Musk. In the short term, it's building rockets and capsules to get astronauts to the International Space Station. In the long term, it's looking to make trips to Mars somewhat affordable by creating rockets that can be used many times, like the "Grasshopper" (left), which can take off and land instead of simply falling into the ocean.