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SpaceX's Grasshopper Goes Up, Comes Down

What goes up, must come down. And sometimes, the trip back to Earth is just as important as the flight itself. That’s what SpaceX proved recently when its 10-story Grasshopper rocket flew nearly 744 meters into the air, reversed course and then made a gentle vertical landing on the same launch pad from which it started. The successful test marks a milestone for the company, which plans to launch reusable rockets. The flight took place October 7 and demonstrated the feasibility of a ...

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