1. H I observations of flat galaxies

   • S. N. Mitronova
   • W. K. Huchtmeier
   • Yu. N. Kudrya

   OriginalPaper Pages: 501 - 514

2. Formation of galactic subsystems in light of the magnesium abundance in field stars: The thick disk

   • V. A. Marsakov
   • T. V. Borkova

   OriginalPaper Pages: 515 - 527

3. Universal mechanism of thermonuclear explosion for single (type I + 1/2) and binary (type Ia) presupernovae: The history and prospects

   • V. S. Imshennik
   • N. V. Dunina-Barkovskaya

   OriginalPaper Pages: 528 - 536

4. Comparison of the Fermi and betatron acceleration efficiencies in collapsing magnetic traps

   • S. A. Bogachev
   • B. V. Somov

   OriginalPaper Pages: 537 - 545

5. Structure of solar-wind streams at the maximum of solar cycle 23

   • N. A. Lotova
   • K. V. Vladimirskii
   • O. A. Korelov

   OriginalPaper Pages: 546 - 556

6. To the description of long-term variations in the solar magnetic flux: The sunspot area index

   • Yu. A. Nagovitsyn

   OriginalPaper Pages: 557 - 562

7. Conservative two-body problem with variable masses

   • L. G. Luk’yanov

   OriginalPaper Pages: 563 - 568

8. Automatic guide for the Raduga astronomical spectrograph

   • S. A. Potanin

   OriginalPaper Pages: 569 - 574