An annular solar eclipse took place on May 20, 2012 (May 21, 2012 in local time in the Eastern Hemisphere). One of the three main types of solar eclipses, an annular …

Nomenclature. ο Ceti (Latinised to Omicron Ceti) is the star’s Bayer designation. It was named Mira (Latin for ‘wonderful‘ or ‘astonishing’) by Johannes Hevelius in …