brown dwarf

短语

褐矮星

发音

其它

词形变化

brown dwarfs 复数 brown dwarfs brown dwarves brown dwarves 复数

释义与例句

n.
  1. 1.

    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.

    褐矮星

    棕矮星

    天文