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How do spacecraft get into space?
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To enter space, rockets must escape Earth's gravity. This requires a speed of 17,400 mph (28,000 kph). Such speeds are easiest to reach by vertical takeoff. But it takes huge amounts of power to lift a spacecraft. The space shuttle has a big fuel tank and two booster rockets to supply this power.
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Previous:
Back
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Book:
Best Ever Q&A
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Section:
Space
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Chapter:
Space Travel
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