The structure of a brown dwarf is set by
\n\t\t\t\tdegeneracy pressure.\u00a0 Unlike a star, where the mass
\n\t\t\t\tsets both the radius and the photospheric temperature,
\n\t\t\t\ta brown dwarf has a radius and temperature that is nearly
\n\t\t\t\tindependent of its mass.\u00a0 All brown dwarfs are about
\n\t\t\t\tthe same size as Jupiter.\u00a0 The photospheric temperature
\n\t\t\t\tof a brown dwarf is set by its age, although the lifetime
\n\t\t\t\tof a brown dwarf is set by the mass.\u00a0 Because the
\n\t\t\t\tlow-mass brown dwarfs cool much faster than the
\n\t\t\t\thigh-mass brown dwarfs, infrared surveys preferentially
\n\t\t\t\tfind the more-massive brown dwarfs.<\/p>\n","protected":false},"excerpt":{"rendered":"
The structure of a brown dwarf is set by degeneracy pressure.\u00a0 Unlike a star, where the mass sets both the radius and the photospheric temperature, a brown dwarf has a radius and temperature that is nearly independent of its mass.\u00a0 … Continue reading