Meaning of brown dwarf | Babel Free

Definitions

A starlike object that contracts to about the volume of Jupiter after its formation phase; its mass may range from several times that of Jupiter, such that it fuses deuterium, up to just below the threshold of sustained hydrogen fusion.

Equivalents

Examples

“But none of those brown dwarfs were speeding along on a trajectory that would carry them out of the galaxy like “runaway” hypervelocity stars observed by astronomers in the last two decades.”

CEFR level