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Escape Velocity
 

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      the speed needed for an object to break away from the gravitational pull of a planet or moon
 



Sentences:
Each planet has a different escape velocity.







 

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NASA’s New Horizon spacecraft sped away from Earth at an escape velocity of 36,000 miles per hour.
NASA's New Horizons spacecraft is the fastest ever launched, speeding away from Earth at an escape velocity of 36,000 miles per hour.
Image Credit: 
NASA
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Page Last Updated: July 16th, 2014
Page Editor: NASA Education