1. On the Influence of Angular Momentum and Dynamical Friction on Structure Formation. II. Turn-Around and Structure Mass

   • A. Del Popolo

   OriginalPaper 17 May 2021 Pages: 343 - 352

   

2. Stability of Charged Thin-Shell Wormholes with Weyl Corrections

   • M. Sharif
   • F. Javed

   OriginalPaper 17 May 2021 Pages: 353 - 361

   

3. Mean Square Geodesic Deviation in the Zeldovich Problem on Light Propagation in a Universe with Inhomogeneities

   • D. D. Sokoloff
   • A. A. Chikina
   • E. A. Illarionov

   OriginalPaper Open access 17 May 2021 Pages: 362 - 369

   

4. The Sweeping-out of Dust by Radiation Pressure of Stars and Chemical Composition Peculiarities of Disc Galaxies

   • E. E. Sivkova
   • D. S. Wiebe
   • B. M. Shustov

   OriginalPaper Open access 17 May 2021 Pages: 370 - 384

   

5. Neutron Star Mergers and Gamma-Ray Bursts: Stripping Model

   • S. I. Blinnikov
   • D. K. Nadyozhin
   • A. V. Yudin

   OriginalPaper Open access 17 May 2021 Pages: 385 - 391

   

6. Three-Dimensional Model of the Flow Structure in the Asynchronous Polar CD Ind during Magnetic Pole Switching

   • A. V. Sobolev
   • A. G. Zhilkin
   • D. A. H. Buckley

   OriginalPaper 17 May 2021 Pages: 392 - 411

   

7. R-Toroid as a Three-Dimensional Generalization of a Gaussian Ring and Its Application in Astronomy

   • B. P. Kondratyev
   • V. S. Kornoukhov

   OriginalPaper 17 May 2021 Pages: 412 - 426

   

8. The Use of Photometric Structural Analysis and Digitized Positional Observation Data to Study Small Celestial Bodies

   • Yu. A. Nefedyev
   • A. V. Bagrov
   • N. Yu. Demina

   OriginalPaper 17 May 2021 Pages: 427 - 434

   

9. The Physical Surface of the Moon: A Digital Model Based on Satellite Altimetry

   • A. O. Andreev
   • E. N. Akhmedshina
   • N. Yu. Demina

   OriginalPaper 17 May 2021 Pages: 435 - 444