Expanding Universe: slowdown or speedup?

The purpose of the review -to provide affordable to a wider audience a description of kinematics of the cosmological expansion, and dynamic interpretation of this process.The focus will be the accelerated expansion of the Universe.Will be considered by virtually all major opportunity to explain the accelerated expansion of the Universe, including an introduction to the energetic budget of the universe of so-called dark energy, a modification of Einstein's equations, and a new approach based on the holographic principle.