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Results tagged with gravity
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user 354667
Gravity is an attractive force that affects and is affected by all mass and - in general relativity - energy, pressure, and stress. Prefer newtonian-gravity or general-relativity if sensible.
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Time of collapse of stellar dust cloud
A stellar gas cloud collapses onto itself once it reaches Jean's mass, and the time it takes for said cloud to collapse is given by: $t_{coll}=\sqrt{\frac{3\pi}{32G\rho_0}}$, where $\rho_0$ is the ini …
- 1,616
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Conditions for the Virial theorem
I've been investigating the Virial Theorem, and I've found different conditions, some more restrictive than others, for it to be applicable to a given system. According to my professor, said theorem c …
- 1,616
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Can gravity radiate?
We can write the gravitational potential in terms of retarded time, and according to gravitoelectromagnetism, we should get the same result: gravity does, indeed, radiate. … Therefore, if gravity does indeed radiate, then would this radiation be in the form of gravitons? …
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