Planck relic
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English
[edit]Noun
[edit]Planck relic (plural Planck relics)
- (physics, cosmology, astronomy, astrophysics, quantum mechanics, relativity theory) A black hole with an event horizon on the order of a Planck length (~ 10-35 metres), and a mass on the order of a Planck mass (~ 20 micrograms).