Planck star
noun1
Astrophysics A hypothetical astronomical object whose energy is around the Planck density (5.155 × 10⁹⁶ kg/m³).
- 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.2015, Carlo Rovelli, translated by Simon Carnell and Erica Segre, Seven Brief Lessons on Physics, Penguin, published 2016, page 44:
- Coordinate terms
- Planck relic