site.btaAstronomy Day to Be Celebrated at Sofia University Astronomical Observatory
![Astronomy Day to Be Celebrated at Sofia University Astronomical Observatory](/upload/182710/planetarium6+-+8-4-2022.jpg?l=1000)
![Astronomy Day to Be Celebrated at Sofia University Astronomical Observatory](/upload/182710/planetarium6+-+8-4-2022.jpg?l=1000&original=1b7749cf5df33373756848a4cfa4560d10015041)
To mark the spring edition of the International Astronomy Day, Sofia University St. Kliment Ohridski’s Faculty of Physics will organize their traditional open-door programme at the university astronomical observatory in Borisova Gradina on Saturday, the school reported.
/MY/
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