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¹Vasilieva IE, ²Pishkalo MI. History of sun spot research and forecast of the maximum of solar cycle 25. Ukrainian. 2021 ;37(4):60-78.

Klymenko YO, ¹Fedorenko AK, Kryuchkov EI, ¹Cheremnykh OK, Voytsechovska AD, Selivanov YO, ¹Zhuk IT. Identification of acoustic-gravity waves from satellite measurements. Ukrainian. 2021 ;37(6):3-18.

Balyshev M. Ludwig O. Struve (1858-1920): The beginning of positional astronomy in the Kharkiv Astronomical Observatory. Ukrainian. 2021 ;37(5):74-82.

Atai AA, Yuzbashov ER, ¹Mikailov KM, Farziev ZS. Molecular hydrogen H² (4-0) in the spectra of Jupiter and Saturn. Ukrainian. 2021 ;37(5):18-36.

Kleshchonok VV, ¹Karbovsky VL, ²Buromsky MI, ¹Lashko MV. The observation of stars occultation by asteroid (259) Alethea and comet 21p/Jacobini-Zinner. 2021 ;37(1):71-88.

Kleshchonok VV, ¹Karbovsky VL, ²Buromsky MI, ¹Lashko MV. Observation of the grazing occultation of the star TYC 1280-832-1 by the asteroid (486) Cremona. Ukrainian. 2021 ;37(3):58-67.

¹Choliy VY. Pole coordinates and length of day from laser ranging of low Earth orbiters. Ukrainian. 2021 ;37(5):66-73.

¹Pishkalo MI. Prediction of solar cycle 25: maximum in the N- and S-hemispheres. 2021 ;37(1):48-56.

Yatskiv YS, ¹Khoda OO, ¹Ishchenko MV, Zhalilo OO. On the research activities of the Main astronomical observatory of the NAS of Ukraine in using the GNSS technology. 2021 ;37(2):75-88.