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Density is defined as the mass per unit volume of a substance.

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How does gravity affect density?

How does gravity affect density? The gravity of the body will work to increase its density. … Two reasons: First the stars density is different throughout its radius (denser towards the core), so if the density of the bodies you create is uniform then their size and density would definitely change …
K. Kirilov's user avatar
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Vacuum energy density equation clarification

I need clarification on the accepted answer in this thread. I don't have reputation to leave comments there. The vacuum energy for a free field is the ground state energy of each field oscillator …
K. Kirilov's user avatar