When SpaceX launched its Dragon supply mission to the International Space Station on April 18, it tried something revolutionary after the spacecraft was safely in orbit
Behind the scenes, CEO Elon Musk and his team had been testing the reusability of this rocket. On that Friday, the team returned part of it to Earth for the first time in history. Once Dragon was in space, the first stage separated and re-entered Earth’s atmosphere. As the helium-filled rocket slowed, it extended four 25-foot-long landing legs and used its thrusters to briefly hover over the Atlantic Ocean before plopping down ever so gently onto its surface. Read more...
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