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Mira variable
From Wiktionary, the free dictionary
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English
Etymology
Named after the prototype star Mira.
Noun
Mira variable (plural Mira variables)
- (astronomy) 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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