The mystery of dark energy

Dark energy is believed to account for 68 percent of all energy in the known universe, and is responsible for its constant expansion. The particle, which is associated with dark energy has long been predicted, but no one has yet udalo detect it.

All forms of energy that are known to have a particle physics associated with it. 

NASA shares the latest pictures of Dione

Automatic interplanetary station, NASA Cassini gave the highest quality pictures of one of the largest of Saturn's moons Dione, which were made on August 17 during the closest approach to the celestial body.

The space agency also reported the sad news, these are the latest images of Dione, which is connected with the approaching end of the research mission of closest approach to the satellite during the flight of August 17, 2015 amounted to 475 km.

China is making one of the largest radio telescopes in the world

China next year, intends to complete the construction of the five hundred meter Aperture Spherical Telescope (FAST) - one of the world's largest radio telescopes. As the name implies, the diameter of the telescope is 500 meters. Thus, according to this indicator FAST significantly surpass radio telescope at the Arecibo Observatory, which has a mirror diameter of about 305 meters of the reflector is currently one of the largest in the world (using one of the aperture).