Dark Photon Posted February 12, 2006 Share Posted February 12, 2006 If we have a star, let us give an example of Alpha Centuri and a object orbiting it let us label OBJECT X. assume Object x is 1/2 light years away from alpha centuri. if ( and this will not happen, so this question has little purpose) alpha centuri is wiped out of existance, when will OBJECT X stop being influenced by its gravity? suddenly? or after half a year? can no message travel faster than light? and does this link in with the Graviton the assumed particle of gravity Link to comment Share on other sites More sharing options...
ydoaPs Posted February 12, 2006 Share Posted February 12, 2006 1/2 year Link to comment Share on other sites More sharing options...
insane_alien Posted February 12, 2006 Share Posted February 12, 2006 1/2 year. bit of a no brainer. Link to comment Share on other sites More sharing options...
ydoaPs Posted February 12, 2006 Share Posted February 12, 2006 there was a mathematical answer to this question a while ago, but i can't seem to find it atm. Link to comment Share on other sites More sharing options...
5614 Posted February 12, 2006 Share Posted February 12, 2006 I dunno about the mathematical proof, but we know that gravity travels at the speed of light. We can use that to answer the question (as has been done above). Link to comment Share on other sites More sharing options...
Destroid Posted February 13, 2006 Share Posted February 13, 2006 Can someone link me? Last time I googled this I came across articles saying that gravity was instant, or if not then very fast :/ EDIT: Nevermind, just found the new scientist article. Link to comment Share on other sites More sharing options...
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