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Do rockets really need to hit a magic speed to escape Earth?
Escape velocity is about 11.2 km/s, yet a rocket that keeps firing its engine could leave Earth far more slowly. The magic speed is really for cannonballs.
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Escape velocity is about 11.2 km/s, yet a rocket that keeps firing its engine could leave Earth far more slowly. The magic speed is really for cannonballs.
Tap to go on, or swipe →