Records of astronomy and cosmonautics talks and lectures for the visually impaired
- Discussion, talk by Jaroslav Maxa, The Big Bang, the origin of the universe, November 28, 2022 [MP3 118 MB] (edited by Jan Priborsky)
- Discussion, talk by Jaroslav Maxa, Solar-system, November 3, 2022 [MP3 122 MB] (edited by Jan Priborsky)