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