Beta Ceti
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Beta Ceti is the brightest star in the constellation of Cetus. It is officially named Diphda, pronounced; Beta Ceti is its Bayer designation, which is Latinized from β Ceti and abbreviated Beta Cet an
Image of orange giant Beta Ceti from NASA's Chandra X-ray Observatory.
Main sequence
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In astronomy, the main sequence is a classification of stars which appear on plots of stellar color versus brightness as a continuous and distinctive band. Stars spend the majority of their lives on t
Beta Ceti
…from K-type stars. The luminosity class 'III' means that it is a giant, a star that has consumed the hydrogen at its core and evolved away from the main sequence. With a mass of 3.5 solar masses, Beta Ceti was a B-type star when it formed on the main sequence. After passing through the red giant stage, it underwent…
The violent youth of stars like the Sun
Hot and brilliant O-type main-sequence stars in star-forming regions. These are all regions of star formation that contain many hot young stars including several bright stars of spectral type O.
Size comparison of main sequence stars, including Proxima Centauri, the Sun, and Sirius, and the blue giant Spica
The Sun is the most familiar example of a main-sequence star