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hypervelocity

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hypervelocity [‚hī·pər·və′läs·əd·ē]
(mechanics)
Muzzle velocity of an artillery projectile of 3500 feet per second (1067 meters per second) or more.
Muzzle velocity of a small-arms projectile of 5000 feet per second (1524 meters per second) or more.
Muzzle velocity of a tank-cannon projectile in excess of 3350 feet per second (1021 meters per second).


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Schultz from Brown University, Providence, Rhode Island, US, suggest that some of the decomposed organics could have been revived through chemical reactions between the meteoritic matter and the ambient atmosphere during hypervelocity oblique impacts.
NASA spokesman John Yembrick said there have been "three other cases in which space objects orbiting at hypervelocity have collided accidentally.
Specific topics covered include the UV spectrum of the galactic bulge, helium and the hot horizontal branch, binary population synthesis and sdB stars at different metallicities, and hypervelocity stars.
 
 
 
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