Planck star
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English[edit]
Noun[edit]
Planck star (plural Planck stars)
- (astrophysics) A hypothetical astronomical object whose energy is around the Planck density (5.155 × 10⁹⁶ kg/m³). [from 21st c.]
- 2015, Carlo Rovelli, translated by Simon Carnell and Erica Segre, Seven Brief Lessons on Physics, Penguin, published 2016, page 44:
- The entire matter of the sun condensed into the space of an atom: a Planck star should be constituted by this extreme state of matter.