Physics Ontology

One map of physics, three ways in. Drill down on any quantity to see its units, the equations it lives in, and how its values span the universe.

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RR_{\odot}
Fundamental Constants

Solar Radius

Mean radius of the Sun; from AQA astronomical data table.

SI unit

metre (m)

Dimension: [L][\,L\,]

Other units

  • metre (m)

Defined value

Fixed constant from the A-level data sheets.

6.96 × 108 m

AQA data sheet value