Physics, 10.02.2021 03:00 firenation18

The solar radius is the distance between the core and the outer edge of a star. Betelgeuse, Rigel, and Polaris all have large solar radii. Sirius B, Epsilon Eridani and Barnard’s Star all have small solar radii. What is the relationship between the solar radius and the brightness of stars?

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The solar radius is the distance between the core and the outer edge of a star. Betelgeuse, Rigel, a...