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gravitational wave

   Also found in: Acronyms, Encyclopedia, Wikipedia 0.04 sec.
gravitational wave
n.
A hypothetical wave that is held to propagate the force of gravity and to travel at the speed of light. Also called gravity wave.

gravitational wave
n
(Physics / General Physics) Physics another name for gravity wave


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have been built as part of the effort to find and measure gravitational waves set off by the explosion of distant stars.
Just as a charged particle emits electromagnetic waves when it moves up and down, a massive body emits gravitational waves when it accelerates.
The new measurements by LIGO directly probe the gravitational wave background in the first minute of its existence, at time scales much shorter than accessible by the cosmic microwave background.
 
 
 
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