Journal ArticleDOI
Physical parameters of the atmosphere of Venus
Reads0
Chats0
TLDR
In this paper, the following parameters have been computed for the Cytherean atmosphere: pressure, density, speed of sound, collisional frequency, column mass, density scale, mean free-path, viscosity, pressure scale, number density at an altitude from 0 to 170 km.Abstract:
The following parameters have been computed for the Cytherean atmosphere: pressure, density, speed of sound, collisional frequency, column mass, density scale, mean-free-path, viscosity, pressure scale, mean particle velocity, number density at an altitude from 0 to 170 km.read more
Citations
More filters
Journal ArticleDOI
Evolution of space drones for planetary exploration: A review
TL;DR: In this review paper, several studies which have been performed on space drones for planetary exploration are consolidated and discussed, and existing methods for their flight tests, different methods for deployment and planet entry, and various navigation and control approaches are reviewed and discussed elaborately.
Interpretation of the Polarization of Venus.
James Hansen,J. W. Hovenier +1 more
TL;DR: In this paper, the linear polarization of sunlight reflected by Venus is analyzed by comparing observations with extensive multiple scattering computations, and the analysis establishes that Venus is veiled by a cloud or haze layer of spherical particles.
Journal ArticleDOI
Performance analysis of fixed wing space drones in different solar system bodies
TL;DR: In this article, the aerodynamic coefficients, forces, sizing parameters, and performance of fixed wing drones in different solar system bodies are investigated, and the effects of Reynolds number on the performance of these drones from an aerodynamic point of view are determined.
Proceedings ArticleDOI
Aerodynamic performance analysis of fixed wing space drones in different solar system bodies
Journal ArticleDOI
Resonant Orbits in the Problem of Expanding the Reachable Landing Areas on the Surface of Venus
N. A. Eismont,R. R. Nazirov,K. S. Fedyaev,V. A. Zubko,V. A. Zubko,A. A. Belyaev,A. A. Belyaev,Ludmila Zasova,D. A. Gorinov,A. V. Simonov +9 more
TL;DR: In this paper, the authors considered the concept of applying gravity assist maneuvers near Venus using resonant orbits with a period equal to the Venusian one and showed that the proposed operations based on this concept allow the reachable landing areas on the surface of Venus to be expanded radically.
References
More filters
Journal ArticleDOI
Light scattering in planetary atmospheres
James Hansen,Larry D. Travis +1 more
TL;DR: In this paper, a review of scattering theory required for analysis of light reflected by planetary atmospheres is presented, which demonstrates the dependence of single-scattered radiation on the physical properties of the scatterers.
Journal ArticleDOI
The neutral atmosphere of Venus as studied with the Mariner V radio occultation experiments
TL;DR: Venus atmosphere determinations by Mariner 5 radio occultation measurements, deriving altitude profiles of refractivity, molecular number density, pressure, temperature and radio frequency absorption.
Journal ArticleDOI
Interpretation of the polarization of Venus
James Hansen,J. W. Hovenier +1 more
TL;DR: In this article, the linear polarization of sunlight reflected by Venus is analyzed by comparing observations with extensive multiple scattering computations, and the analysis establishes that Venus is veiled by a cloud or haze layer of spherical particles.
Journal ArticleDOI
Models of the structure of the atmosphere of Venus from the surface to 100 kilometers altitude
Alvin Seiff,John T. Schofield,Arvydas J. Kliore,Fredric W. Taylor,Sanjay S. Limaye,Henry E. Revercomb,Lawrence A. Sromovsky,V. V. Kerzhanovich,V. I. Moroz,M. Ya. Marov +9 more
TL;DR: In this article, a critical comparison and synthesis of data from the four Pioneer Venus Probes, the Pioneer Venus Orbiter, and the Venera 10, 12, and 13 landers is derived.
Journal ArticleDOI
The microphysics of the clouds of Venus: Results of the Pioneer Venus Particle Size Spectrometer Experiment
R. G. Knollenberg,D. M. Hunten +1 more
TL;DR: The results of the particle size spectrometer experiment on the Pioneer Venus sounder probe are presented in this paper, where the vertical cloud structure is found to consist of three primary cloud regions of approximately 20 km total thickness suspended within an ubiquitous aerosol haze which extends more than 10 km above and below it.
Related Papers (5)
Radiative damping of gravity waves in the terrestrial planetary atmospheres
Takeshi Imamura,Toshihiro Ogawa +1 more