Mira variable

短语

词形变化

Mira variables 复数 Mira variables

释义与例句

n.
  1. 1.

    Any of a class of pulsating variable stars characterized by very red colours, pulsation periods longer than 100 days, and amplitudes greater than one magnitude in infrared and 2.5 magnitude at visual wavelengths.

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词源

Named after the prototype star Mira.

来源：wiktionary