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Project of the mission to Phobos
Zelenyi, L. M.; Zakharov, A. V.; Polischuk, G. M. +1 more
This article provides the main scientific objectives and characteristics of the Phobos-Soil project, intended to fly to the Martian satellite Phobos, deliver its soil samples to the Earth, as well as explore Phobos, Mars, and the Martian environment with onboard scientific instruments. We give the basic parameters of the ballistic scenario of the …
Spectral studies of asteroids 21 lutetia and 4 vesta as objects of space missions
Busarev, V. V.
Asteroid 21 Lutetia is one of the objects of the Rosetta mission carried out by the European Space Agency (ESA). The Rosetta spacecraft launched in 2004 is to approach Lutetia in July 2010, and then it will be directed to the comet Churyumov-Gerasimenko. Asteroid 4 Vesta is planned to be investigated in 2011 from the Dawn spacecraft launched by th…
The selection and characterization of the Phobos-Soil landing sites
Basilevsky, A. T.; Shingareva, T. V.
This paper shortly describes the selection technique for the landing sites of the Phobos-Soil spacecraft, the characteristics of the Phobos relief, the history of choosing the potential landing sites in the process of working on the project, and the suggestions to shift the landing sites to the region recently imaged by the Mars Express spacecraft…
Dissipation of buoyancy waves and turbulence in the atmosphere of venus
Izakov, M. N.
The turbulent energy dissipation rate and the coefficients of turbulent diffusion and viscosity caused by breaking buoyancy waves (BWs) have been calculated. From the comparison of these values with other data, the contribution of BWs to the generation of turbulence has been determined. The comparison confirms the validity of the turbulence charac…
Venus Express: The presence of turbulence in the mesosphere of venus is confirmed
Izakov, M. N.
Among the numerous and valuable results obtained from the Venus Express spacecraft, information from several instruments suggests that turbulence is present in the mesosphere. In this paper, the results of these experiments are interpreted with the use of the available data on turbulence in planetary atmospheres. Accounting for turbulence is neces…
On the thermal history of Saturn's satellites Titan and Enceladus
Dorofeeva, V. A.; Ruskol, E. L.
The thermal histories of two geologically active satellites of Saturn—Titan and Enceladus—are discussed. During the Cassini mission, it was found that there are both nitrogen-containing compounds—NH3 and N2-and CO2 and CH4 in the water plumes of Enceladus; at that, ammonia is the prevailing form. This ma…