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Omicron Ceti

Omicron Ceti

Depicts: Mira A, Omicron Ceti, IRAS 02168-0312
Copyright: Margarita Karovska (Harvard-Smithsonian Center for Astrophysics), and NASA

Hubble's visible-light image of the disk of Omicron Ceti reveals it has an odd, asymmetrical shape resembling a football. This may be tied to dramatic changes occurring during its expansion-contraction cycles, or to the presence of unresolved spots on its surface.

Hubble measurements show the red giant star is 700 times larger than our Sun.

Last Update: 1 September 2019
9-Dec-2023 08:11 UT

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