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Astronomers of the SAO together with an international group of scientists have proposed an explanation to the long-standing mystery of why magnetic fields are more common amongst cool white dwarf stars than amongst young and hotter ones. More...

According to the most popular cosmological paradigm, the greater part of the galaxy mass is accumulated in the dark matter halo. The mass value can be measured in terms of various model assumptions, analyzing the available observational data, for example, the distribution of the rotation velocity at large distances from the center (the rotation curve). It is much more difficult to make an estimate of the shape of the dark halo in a particular galaxy, i.e. to understand whether it is spherical, flattened or triaxial. More...

SAO researchers have discovered that supercritical accretion disks eject hot gas with a velocity of a few thousand kilometers per second. The supercritical regime of accretion onto black holes is very important for astrophysics. In the first half-billion years just after our Universe was born, supermassive black holes (quasars) began to appear and grow in centers of young galaxies. More...



05.08.14 Astrophysical Bulletin, vol. 69, number 3 is published.
(Russian version)
01.11.14 Announce, news, discussion (restricted)

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Last update: 23/10/2014