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.
Category: hotstars
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
On January 31, 2020, the Swift satellite detected a powerful gamma-ray burst designated GRB 200131A. Less than a minute later, the Ondřejov robotic Small Binocular
The article by Vojtěch Šimon from the Stellar Department of ASU focuses on two specific polars: BY Camelopardalis (BY Cam) and AR Ursae Majoris (AR
The second ChETEC-INFRA Observational School (ChINOS) took place from 21 to 25 July 2025, as part of the European nuclear astrophysics project, ChETEC-INFRA. It was