scholarly journals 16. Physical Study of Planets and Satellites

1985 ◽  
Vol 19 (1) ◽  
pp. 189-192
Author(s):  
V. G. Tejfel’ ◽  
G. E. Hunt ◽  
A. Brahic ◽  
R. F. Beebe ◽  
J. L. Bertaux ◽  
...  
Keyword(s):  
Observational Data ◽  
Physical Study ◽  
Planets And Satellites ◽  
Scientific Results ◽  
Pioneer 10

During past three years from 1982 to 1984 we saw the further progress in the planets and satellites research by the space and ground-based technique, in the analysis and interpretation of the observational data. Inspite of some decrease of the activity in the planetary spacecrafts launches during this period (except of two Soviet missions to Venus) many important scientific results were obtained from the continued reduction and analysis of the measurements which were performed by Mariner 10 (Mercury), Pioneer Venus, Venera 13 and 14, Viking (Mars), Pioneer 10 and 11, and Voyager 1 and 2.

scholarly journals 16. Physical Study of Planets and Satellites

1979 ◽  
Vol 17 (1) ◽  
pp. 103-114
Author(s):  
T. C. Owen ◽  
P.M. Millman
Keyword(s):  
United States ◽  
Soviet Union ◽  
The United States ◽  
The Soviet Union ◽  
Physical Study ◽  
Planets And Satellites

The explosive increase in the number of published papers on planetary and satellite research in recent years has made it impossible to provide an adequate summary of progress in the field over a given three year period in the space allotted for this purpose. The problem is particularly acute for the current epoch - 1 January 1976 to 31 December 1978 - because it encompasses major missions to Mars and Venus by the United States and the Soviet Union, as well as a large number of exciting discoveries made from the ground.

Atmospheres as a clue to the early Solar System

1988 ◽  
Vol 325 (1587) ◽  
pp. 569-582 ◽  
Keyword(s):  
Solar System ◽  
Observational Data ◽  
Terrestrial Planets ◽  
The Sun ◽  
Early Solar System ◽  
Secondary Formation ◽  
Planets And Satellites

Conditions that could have applied in the environments of the major planets when they were forming make it possible that the present icy mantles of the larger satellites were then oceans and vapour atmospheres encasing silicate—ferrous cores. The major constituents are explored by comparison with the present atmospheres of the terrestrial planets. It is further suggested that the primary condensations during the formation of the Solar System were the Sun and the major planets, and that the terrestrial planets and satellites were a secondary formation. Some observational data are offered in support of the arguments and future tests are suggested.

Commission 16: Physical Study of Planets and Satellites (Etude Physique Pes Planetes Et Satellites)

1988 ◽  
Vol 20 (1) ◽  
pp. 167-178
Author(s):  
G. Hunt ◽  
A. Brahic ◽  
D. Morrison ◽  
J. L. Bertaux ◽  
J. Burns ◽  
...  
Keyword(s):  
Numerical Simulations ◽  
Laboratory Experiments ◽  
Space Exploration ◽  
Theoretical Models ◽  
Physical Study ◽  
Perfect Complementarity ◽  
Planets And Satellites ◽  
Space Data

The physical study of planets and satellites is probably one of the more active fields of research of the second half of this century. This is due to space exploration by spacecraft, but also to the use of modern detectors, of large ground-based telescopes, and of powerful computers by active researchers. Planetary research (or planetology) is a pluridisciplinary domain, which requires not only the competence of astronomers, but also of geophysicists, of mineralogists, of climatologists, of biologists, of chemists, of physicists, of “pure„ mathematicians, and many other scientists. Many results are at the boundary of those of other commissions such as the 15, 20, 7, 19, 33, 40, 44, 49 and 51 ones. The study of the main results obtained during this last triennum shows a perfect complementarity between space and ground-based observations. It should be arbitrary to separate space and ground-based scientists. The have the same goal and they study the same objects. Quite often, the same individuals use both techniques, depending on the most efficient one for the problem under study. It is remarkable to see that space data collected more than ten years ago are still analysed in connection with ground-based observations. The same remarks can apply for ground-based data. In addition to that, new theoretical models, new numerical simulations and new laboratory experiments have ben recently developed. They all contribute to a better understanding of planets and satellites physics.

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