Many stars in the sky vary in brightness in an almost perfectly sinusoidal pattern. In many cases, however, it is difficult or even impossible to
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Did you know that Annie Cannon (1863-1941) was the creator of the current stellar classification, OBAFGKM, based on the stellar spectra? Or that Jocelyn Bell
Quanta Magazine has published an interesting popular article describing the long-term work of René Hudec – emeritus researcher at the Stellar Department of the Astronomical
At the center of our Galaxy lies an extremely dense concentration of massive stars near the supermassive black hole Sagittarius A*. These stars – giant
Very massive stars represent short but extremely turbulent episodes in the evolution of galaxies. They are among the most intense sources of radiation, stellar wind,