Talk:Mira variable

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[edit] Asymmetries in Mira Variables

"They are believed to be pulsating in radial modes, in which the entire star expands and contracts in spherical symmetry."

Apparently this is incorrect. According to Nisenson, Peter; Karovska, M.; Papaliolios, Costas; and Boyle, R.P. ("Asymmetries in the Pulsations of Mira") Ap. J., Mira itself pulsates asymmetrically. The ratio of the longitudinal axis, to the minor is ~1.3/1.0.

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OK but now we seem to have additional content on the asymmetricality -- with the old sentence on symmetry left in -- producing a contradiction halfway through paragraph 2.

I've corrected this prose-wise -- hopefully without my utter ignorance of the subject matter producing any factual distortion.