Bulletin of Taras Shevchenko National University of Kyiv – Astronomy

Bulletin of Taras Shevchenko National University of Kyiv. Astronomy, no. 71, p. 40-44 (2025)

CALCULATION OF KINEMATIC PARAMETERS OF METEORS BASING ON AN EXAMPLE OF THE KYIV VIDEO ARCHIVE OF PERSEIDS SHOWER: TRAJECTORY PARAMETERS IN ATMOSPHERE

Pavlo KOZAK, PhD (Phys. & Math.), Senior Researcher

Taras Shevchenko National University of Kyiv, Kyiv, Ukraine

Olexander ROZHILO, Leading Engineer

Taras Shevchenko National University of Kyiv, Kyiv, Ukraine

Yuriy TARANUKHA, PhD (Phys. & Math.), Researcher

Taras Shevchenko National University of Kyiv, Kyiv, Ukraine

Bulletin of Taras Shevchenko National University of Kyiv. Astronomy, no. 71, p. 34-39 (2025)

ESTIMATION OF CYCLE 25 PARAMETERS BASED ON THE RATE OF GROWTH OF SOLAR ACTIVITY

Volodymyr EFIMENKO, PhD (Phys. & Math.)

Taras Shevchenko National University of Kyiv, Kyiv, Ukraine

Bulletin of Taras Shevchenko National University of Kyiv. Astronomy, no. 71, p. 30-33 (2025)

SPECIAL SPHERICALLY SYMMETRIC SOLUTIONS IN f(R) GRAVITY

Valery ZHDANOV, DSc (Phys. & Math.), Prof.

Taras Shevchenko National University of Kyiv, Kyiv, Ukraine