English Explanatory Dictionary

Mira variable

English dictionary entry

Meanings

noun
  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.

Word forms

Mira variable Mira variables

Etymology

Named after the prototype star Mira.

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