Круглая загадка. Почему чёрные дыры будоражат умы людей?
Учёный Стивен Хокинг написал новую научную статью о чёрных дырах, которые будор ...
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![Загадки древних каменщиков [№ .]](https://sun9-61.userapi.com/WVIPi_5r4Xoe7DHRFJYzXRMHWKInL_GzKHSSaA/2B9jFomZoZc.jpg)
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