cosmology 188 universe 68 astronomy 31 astrophysics 30 space-time 24 relativity 18 quantum physics 17 more ... physics 14 black holes 14 general theory of relativity 11 osobnosti 10 big bang 10 stars 9 interstellar matter 9 solar system 9 special theory of relativity 9 galaxies 8 gravitation 8 history 7 mathematical physics 7 cosmology 6 elementary particles 6 the philosophy of science 6 gravitational theory 6 research of universe 6 Einstein´s equations 5 gravitational waves 5 relativistic models of universe 5 universe 5 time 5 less ...