учим немецкого языка
Oct. 21st, 2015 11:35 am![[personal profile]](https://www.dreamwidth.org/img/silk/identity/user.png){kind=small}
109Schwarzschild kugelblitz is a light so intense that it forms an event horizon and becomes self-trapped: according to general relativity, if enough radiation is aimed into a region, the concentration of energy can warp spacetime enough for the region to become a black hole.