Black holes are among the most fascinating objects predicted by Einstein's theory of gravity. Their gravitational pull is so strong that nothing, not even light, can escape from them (hence the name "black"). Black holes have been put recently in the limelight with the 2020 Nobel prize in physics awarded to pioneers in black hole physics, both on the theoretical side (Penrose) and on the observational side (Genzel and Ghez).

What is a black hole? How can one observe a black hole if it is black? Do they really destroy any information that’s thrown at them? Come and find out. The talk will explain what black holes are, their main properties and their astrophysical relevance. Conceptual puzzles related to black holes (Hawking radiation, wormholes, singularity) will also be addressed.

October 4, 2021 - Atelier 210 (Brussels)


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