What do astrophotographer Petr Horálek, physics professor and artistic photographer Zdeněk Stuchlík, and space X-ray telescopes have in common? The perception of time! The Institute of Physics in Opava and the Astronomical Institute of the Czech Academy of Sciences invite you to a joint photography exhibition, where you will also learn about the space missions we are involved in and what we will be able to discover about the extreme environment around black holes and neutron stars! The exhibition will be opened with a lecture: Observing Black Holes through X-ray Astronomy (Dr. Jiří Svoboda). When? on Tuesday, 12 April 2022 at 17:00 Where? Science Theatre, Velký svět techniky Registration link HERE.