A.D. Dolgova,b aNational Research Center "Kurchatov Institute", Alikhanov Institute of Theoretical and Experimental Physics, ul. B. Cheremushkinskaya 25, Moscow, 117218, Russian Federation bNovosibirsk State University, ul. Pirogova 2, Novosibirsk, 630090, Russian Federation cKavli Institute for the Physics and Mathematics of the Universe, University of Tokyo, Kashiwanoha 5-1-5, Kashiwa, 277-8568, Japan dDukhov Research Institute of Automatics, ul. Sushchevskaya 22, Moscow, 119017, Russian Federation
An overview is given of the current status of the theory and observations of the acceleration of expansion the observable part of the universe.