... According to the most popular cosmological paradigm, the greater part of the galaxy mass is accumulated in the dark matter halo. ... The polar ring galaxies (PRGs) reveal external rings or disks of gas, dust and stars rotating in a plane roughly perpendicular to the disk of the central galaxy. ... The shape of the dark halo in the model was chosen so as to achieve the best fit to the observed rotation of both galaxies themselves and their polar rings. ... The SPRC-7 galaxy. ...

... A.M.Fridman, O.V.Khoruzhii, V.V.Lyakhovich, V.S.Avedisova, O.K.Silchenko, A.V.Zasov, A.S.Rustorguev, V.L. Anafanasiev, S.N. Dodonov, J.Boulesteix, . Spiral-vortex structure in gaseous disks of galaxies, Astrophysics and Space Science, 1997, (in press). ... Prediction and discovery of new structures - giant anticyclones - in disks of spiral galaxies, JENAM-97, Thessaloniki,Greece,2-5 July, 1997, Late abstracts,p.11 . Back to Project Vortex. ...