Planck density

physics

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In cosmology: Superunification and the Planck era
…is thought to approach the Planck density, c⁵/hG², roughly 10⁹³ grams per cubic centimetre. Contained within a Planck volume is a Planck mass (hc/G)^1/2, roughly 10⁻⁵ gram. An object of such mass would be a quantum black hole, with an event horizon close to both its own Compton length (distance…
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