Firing rockets straight up into the air is an incredibly inefficient way of getting payloads into space, largely due to gravity and the drag caused by the rocket moving through the atmosphere—not to mention the disposable nature of rocket flight. Imagine flying from New York to San Francisco, and throwing the aircraft away at the end of journey. That’s pretty much how most rocket launches work—except for SpaceX, which is landing its first stage rockets for reuse. That’s ...
by Phillip Keane via AutoCad Promo Code
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