1. Gravitational Lensing and Wormhole Shadows

   • M. A. Bugaev
   • I. D. Novikov
   • A. A. Shelkovnikova

   OriginalPaper Open access 17 December 2021 Pages: 1185 - 1193

   

2. Confusion Noise Sources in the Infrared Wavelength Range

   • A. A. Ermash
   • S. V. Pilipenko
   • V. N. Lukash

   OriginalPaper 17 December 2021 Pages: 1194 - 1210

   

3. Cosmological Constraints on a Temporal Variation of the Proton-to-electron Mass Ratio based on the Red-shifted Lines of Extragalactic Argonium

   • V. A. Terashkevich
   • E. A. Pazyuk
   • D. S. Wiebe

   OriginalPaper 17 December 2021 Pages: 1211 - 1214

   

4. On the Formation of Spiral Arms in Dwarf Galaxies

   • A. V. Zasov
   • A. V. Khoperskov
   • S. S. Khrapov

   OriginalPaper 17 December 2021 Pages: 1215 - 1232

   

5. Variability of the Blazar 1156+295 in 2005–2020

   • V. A. Hagen-Thorn
   • D. A. Morozova
   • A. A. Vasil’ev

   EditorialNotes 17 December 2021 Pages: 1233 - 1245

   

6. Search for Dispersed Pulses at Declinations from +56° to +87°

   • S. A. Tyul’bashev
   • M. A. Kitaeva
   • G. E. Tyul’basheva

   OriginalPaper 17 December 2021 Pages: 1246 - 1253

   

7. Quiet-Filament Eruptions and Coronal Jets as Causes of Depressions in Microwave Radio Emission

   • I. V. Kuzmenko

   OriginalPaper Open access 17 December 2021 Pages: 1254 - 1264

   

8. Central Field Motion with Variation of Perturbing Acceleration According to the Inverse Square Law in a Reference Frame Associated with the Velocity Vector

   • T. N. Sannikova

   OriginalPaper 17 December 2021 Pages: 1265 - 1277

9. Software to Determine the Sizes and Orbital Inclinations of Planets from the Transit Observation Data

   • E. V. Bekesov
   • A. A. Belinskii
   • S. B. Popov

   OriginalPaper 17 December 2021 Pages: 1278 - 1291