On the 15th and 16th of May 2026 the public event “Days of Open Doors” took place at the ASU Observatory in Ondřejov. Scientists, students
Category: news
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
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