This composite image shows an exoplanet (2M1207b, the red spot on the lower left), orbiting the brown dwarf 2M1207 (centre). 2M1207b is a Jupiter-like planet. It orbits the brown dwarf at a distance nearly twice as far as Neptune is from the Sun. Credit: ESO.
This radiation mathematics/problem set is a series of mathematical problems that use dimensions.
Notation: let the symbol indicate the Earth's radius.
Notation: let the symbol indicate the radius of Jupiter.
Notation: let the symbol indicate the solar radius.