The exoplanet/brown dwarf BD-14 3065b has an unexpectedly large radius for its age, suggesting that it is burning deuterium. This is the process that distinguishes
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Stars remain bright points even when observed with the largest telescopes. But some processes create strange structures of gas and dust around these stars. One
The number of extrasolar planets discovered has long since exceeded five thousand, and in 905 cases entire planetary systems have been discovered. Only a very
The Astronomical Institute of the CAS also participated in the Science Fair 2024 at the Prague Exhibition Centre in Letňany. The presentation “On the rand
During our tours of the Ondřejov Observatory we always tell you that once every few years the main mirror of the largest Czech telescope is