Planck star
Definitions
A hypothetical astronomical object whose energy is around the Planck density (5.155 × 10⁹⁶ kg/m³).
Equivalents
日本語プランク星
Examples
“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⟳.”
CEFR level
B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
This word is part of the CEFR B2 vocabulary — upper intermediate level.
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