File:Triangle_of_everything_simplified_2_triangle_of_everything_-_Planck_Units.png · Wikimedia Commons · See Wikimedia Commons
In the Vinony graph
Within Vinony's link graph, Planck time connects to Planck units.
Vinony files it under Physical constants, Printworthy redirects and Units of time.
Its subject is documented across 52 Wikipedia language editions.
Wikidata facts
- Instance of
- physical constant
- Subclass of
- natural units
- Part of
- Planck units
- Named after
- Max Planck
Show 5 more facts
- conversion to SI unit
- 0.00000000000000000000000000000000000000000005391247
- Wikidata SPARQL query equivalent
- wd:Q202642 p:P2370/psn:P2370 [wikibase:quantityAmount ?source; wikibase:quantityUnit ?base]. ?item p:P2370/psn:P2370 [wikibase:quantityAmount ?target; wikibase:quantityUnit ?base]. BIND(?source / ?target as ?value)
- numeric value
- 0.00000000000000000000000000000000000000000005391247
- on focus list of Wikimedia project
- Wikipedia:Vital articles/Level/4
- maintained by WikiProject
- WikiProject Mathematics
Sources (2)
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Encyclopedic overview
A mass–radius log plot of various objects
In particle physics and physical cosmology, Planck units are a system of units of measurement defined exclusively in terms of four universal physical constants: c, G, ħ, and kB. Expressing one of these physical constants in terms of Planck units yields a numerical value of 1. They are a system of natural units, defined using fundamental properties of nature (specifically, properties of free space) rather than properties of a chosen prototype object. Originally proposed in 1899 by German physicist Max Planck, they are relevant in research on unified theories such as quantum gravity.
Excerpted from Wikipedia’s “Planck time” article, available under the CC BY-SA 4.0 licence.