File:Solar_evolution_(English).svg · Wikimedia Commons · See Wikimedia Commons
AI overview
The solar radius is the distance from the Sun's center to its surface, equal to about 696,000 kilometers. Scientists use this measurement as a standard unit to describe the sizes of stars, since comparing objects across the universe is easier when using the Sun as a reference point.
AI-generated from the Wikipedia summary — may contain errors.
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Encyclopedic overview
A solar radius is a unit of distance, commonly understood as 695,700 km and expressed as
R
Excerpted from Wikipedia’s “solar radius” article, available under the CC BY-SA 4.0 licence.