white dwarf

名词 n.
中文释义

英文释义

名词 n.
  1. The dim, highly dense core remnant that is the final stage in the evolution of a star of low or medium mass, after nuclear reactions have ceased.
    — In these stellar pairings, if the two stars are close together, the white dwarf will siphon mass away from its companion and have an outburst called a nova. And when the white dwarf accumulates too much mass, it will collapse and explode in a supernova. […] When white dwarfs explode, they create heavy elements that could exist around J1249+36.

词形变化

white dwarfs plural white dwarves plural,rare

词源

Coined by Dutch astronomer Willem Luyten in 1922.
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