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gravitation
(redirected from gravitationally)

   Also found in: Dictionary/thesaurus, Legal, Encyclopedia, Wikipedia 0.01 sec.
grav·i·ta·tion (grv-tshn)
n.
1. The natural phenomenon of attraction between massive bodies.
2. The act or process of moving under the influence of this attraction.
3. A movement toward a source of attraction.


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Black holes gravitationally draw gas and dust into them, accelerating and heating this attracted matter until it emits high-energy radiation, including X-rays and ultraviolet light.
Now, more detailed modeling, including a careful consideration of how atomic and molecular hydrogen interact at low densities, reveals that at least 5 percent and perhaps as many as half of these heavyweights were gravitationally bound to similar-mass companions, says Tom Abel of Stanford University.
It could also shuttle cargo to a lunar base, and because it could travel relatively quickly, it could be deployed to dangerous asteroids to gravitationally nudge them off course years before they would reach Earth.
 
 
 
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