Photo: ESA / Hubble / Globallookpress.com
Scientists from the International centre for radio astronomy research in Australia found that astronomical objects at the outer edge of all the galaxies revolves around the nucleus in about a billion years. This phenomenon contradicts the traditional view that galaxies of the same size can rotate at different speeds. About it reported in a press release on Phys.org.
According to the researchers, this phenomenon is characteristic of all stellar systems regardless of the radius of the disk. This is because all galaxies of the same size have the same average density. “It is impossible to find a rapidly spinning dense and less dense galaxy the galaxy the same size, which rotates more slowly”, — said the head of the scientific work of Meurer Gerhardt (Gerhardt Meurer).
Scientists have also found that at the edge of galactic disks are present not only young stars and interstellar gas, as predicted in the model, but also the old stars.
Earlier in March, astronomers at the University of La Laguna in Spain found the relic in the galaxy NGC 1277, which ended the process of star formation. This star system is located about 220 million light-years from Earth.
Video, photo All from Russia.