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Solar System Research

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Institución detectada Período Navegá Descargá Solicitá
No detectada desde may. 2003 / EBSCOHost

Información

Tipo de recurso:

revistas

ISSN impreso

0038-0946

ISSN electrónico

1608-3423

Editor responsable

Springer Nature

País de edición

Reino Unido

Fecha de publicación

Tabla de contenidos

On the 90th Anniversary of the Birth of Mikhail Yakovlevich Marov

Palabras clave: Space and Planetary Science; Astronomy and Astrophysics.

Pp. 403-404

Ground Testing of the Landing Platform Television System of the Exomars-2022 Spacecraft

N. F. Abramov; I. V. Polyanskii; S. A. Prokhorova; Ya. D. El’yashev

Palabras clave: Space and Planetary Science; Astronomy and Astrophysics.

Pp. 405-413

Internal Structure of Venus Based on the PREM Model

D. O. Amorim; T. V. Gudkova

<jats:sec> <jats:title> <jats:bold>Abstract</jats:bold>—</jats:title> <jats:p>Models of the internal structure of Venus have been constructed with a wide range of crustal thickness (30–70 km) and core radius (2800–3500 km). An analysis of the pressure values in the center of the planet allows us to conclude that the presence of a solid inner core is unlikely if the composition and temperature profile of Venus correspond to that of the Earth. Andrade’s rheology was used to take into account the inelasticity of the interior of Venus when calculating the tidal Love numbers and the angle of delay of the tidal hump. Comparison of experimental values of the Love number <jats:italic>k</jats:italic><jats:sub>2</jats:sub> with the model gives the radius of the core of Venus in the range of 3100–3500 km. It is shown that to determine the characteristic viscosity of the Venusian mantle, the key factor is the determination of the angle of retardation of the tidal bulge: values of 0.9° correspond to low viscosity and high temperature, and 0.4° to high viscosity and low temperature, so the planned measurements of tidal parameters and the moment of inertia of the planet in the VERITAS and EnVision missions will be able to impose restrictions on the distribution of viscosity and temperature in the interior of Venus.</jats:p> </jats:sec>

Palabras clave: Space and Planetary Science; Astronomy and Astrophysics.

Pp. 414-425

Internal Structure of the Lunar Mantle: Matching of Geochemical and Geophysical Models

O. L. Kuskov; E. V. Kronrod; V. A. Kronrod

Palabras clave: Space and Planetary Science; Astronomy and Astrophysics.

Pp. 426-448

Search for Signs of Sublimation-Driven Dust Activity of Primitive-Type Asteroids Near Perihelion

V. V. Busarev; E. V. Petrova; M. P. Shcherbina; S. Yu. Kuznetsov; M. A. Burlak; N. P. Ikonnikova; A. A. Savelova; A. A. Belinskii

<jats:sec> <jats:title> <jats:bold>Abstract</jats:bold>—</jats:title> <jats:p>In December 2021 to February 2022, the UBVRI photometry of 29 primitive-type asteroids of the Main Belt, being near the perihelion distances, was carried out at the 0.6-meter RC600 semiautomatic telescope of the Caucasus Mountain Observatory (CMO) of the Sternberg Astronomical Institute, Moscow State University. These observations, as well as the data processing and analysis, were aimed at searching for supposed sublimation-driven dust activity on asteroids under maximal subsolar temperatures. Among the tasks to be accomplished was the comparison of the physical and dynamic parameters of active and inactive asteroids. The main result is that substantial spectral signs of quasi-simultaneous sublimation-driven dust activity were detected on six primitive-type asteroids of the Main Belt—145 Adeona, 302 Clarissa, 322 Phaeo, 435 Ella, 690 Wratislavia, and 779 Nina (on 302 Clarissa, 322 Phaeo, 435 Ella, and 690 Wratislavia—for the first time). These six asteroids represent ~21% of all bodies included in the observation program. Probable spectral manifestations of activity at a lower intensity level were detected for the first time on five more asteroids—424 Gratia, 751 Faina, 762 Pulcova, 778 Theobalda, and 859 Bouzaréah. On 145 Adeona and 779 Nina, sublimation-driven dust activity near perihelion was registered for the third time for the last ten years; this time interval corresponds to about three orbital periods of these asteroids around the Sun. We consider the circumstances due to which five of the listed asteroids possess families. General processes and conditions that could and/or can influence the portion of primitive-type asteroids that quasi-simultaneously show signs of sublimation-driven dust activity are discussed.</jats:p> </jats:sec>

Palabras clave: Space and Planetary Science; Astronomy and Astrophysics.

Pp. 449-466

Current Knowledge of Objects Approaching the Earth

G. I. Kokhirova; P. B. Babadzhanov

Palabras clave: Space and Planetary Science; Astronomy and Astrophysics.

Pp. 467-485

Influence of Planetary Encounters on the Magnitude of the Yarkovsky Effect in Asteroid Dynamics

A. A. Martyusheva; A. V. Melnikov

Palabras clave: Space and Planetary Science; Astronomy and Astrophysics.

Pp. 486-494

The Toutatis (4179) Boulders: Shallow Slope in Size Distribution and Shape Statistics

Yuan Li; YuHui Zhao

Palabras clave: Space and Planetary Science; Astronomy and Astrophysics.

Pp. 495-504

To the Theory of Helical Turbulence of a Nonmagnetic Astrophysical Disk. Formation of Large-Scale Vortex Structures

A. V. Kolesnichenko

Palabras clave: Space and Planetary Science; Astronomy and Astrophysics.

Pp. No disponible

Results of Observation of the Occultation of the Star TYC 5254-00839-1 by Triton in 2022 at the Sanglokh Observatory

G. I. Kokhirova; F. D. Rakhmatullaeva; D. L. Gorshanov; V. N. Lvov; A. V. Devyatkin

Palabras clave: Space and Planetary Science; Astronomy and Astrophysics.

Pp. No disponible