DiscussWorldIssues - Socio-Economic Religion and Political Uncensored Debate - View Single Post - At the center of a black hole is it the same time as the moment of its formation?

**Dilangfh** · 04-11-2008, 05:26 PM

a) In the non-relativistic sense you can view the gravitational field as a means to store energy. Two pointlike massive objects m1 and m2 seprated by r have potential energy due to gravitation -Gm1m2/r (using infinty as the zero point). Changes in their configuration lead to transfer from the potential energy in the gravitational field to kinetic energy (or some other form)

b) In general relativity in a global sense energy is not conserved. You can define some local quantities which conserve "energy" but in general these are not as useful as global energy conservation is classically

04-11-2008, 05:26 PM	#5
Dilangfh Join Date Oct 2005 Posts 426 Senior Member	a) In the non-relativistic sense you can view the gravitational field as a means to store energy. Two pointlike massive objects m1 and m2 seprated by r have potential energy due to gravitation -Gm1m2/r (using infinty as the zero point). Changes in their configuration lead to transfer from the potential energy in the gravitational field to kinetic energy (or some other form) b) In general relativity in a global sense energy is not conserved. You can define some local quantities which conserve "energy" but in general these are not as useful as global energy conservation is classically
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