At the center of our Galaxy lies an extremely dense concentration of massive stars near the supermassive black hole Sagittarius A*. These stars – giant
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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,
From December 1 to 5, 2025, Prague hosted the 16th annual AXRO international conference organized by the Astronomical Institute of the Czech Academy of Sciences,
The binary star BD+20 5391 has proven to be an extremely rare case of two red giants of almost identical mass evolving side by side.
Black holes have been among the most interesting objects in astrophysics in recent years, even though they are distant and difficult to observe. Direct imaging