english: In my head, initially, when I thought of black holes, I'm thinking that is the event horizon, there's lots of matter and light whirling around in that shape.
non_english: Prvobitno u mojoj glavi, kad sam razmišljao o crnim rupama, razmišljam da je ovo horizont događaja, ima tu mnogo materije i svetlosti koje kruže u tom obliku.