Physics
Scientific paper
Jul 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988s%26t....76...17z&link_type=abstract
Sky and Telescope (ISSN 0037-6604), vol. 76, July 1988, p. 17-21.
Physics
1
Phobos, Planetary Orbits, Space Missions, Spacecraft Instruments, Radio Transmitters, Soviet Spacecraft, U.S.S.R. Space Program, X Ray Spectroscopy, Mars, Phobos, Satellites, Phobos Mission, Spacecraft, Mission Description, Scientific Aspects, Design, Diagrams, Equipment, Experiments, Deimos, Comparisons, Surface, Physical Properties, Origin, Probes, Landers, Mission Planning, Lima-D Instrument, Dion Instrument, Popular
Scientific paper
Aspects of the Soviet mission to Phobos are examined, including the objectives of the mission, the spapcecraft, experiments, and landers. Past Mars research and unanswered questions concerning Mars and its satellites are discussed. The spacecraft is expected to reach Mars in early 1989 and to observe the planet from two orbits, coming as close as 500 km from the surface, before moving into a third path close to Phobos. After studying the Phobos terrain from above, the craft will jettison one or two small long-duration automated landers, which will perform surface experiments, including work on celestial mechanics, the history of the Phobos orbit, surface composition, and mechanical properties. In addition to studying Phobos and Mars, the craft will examine the interplanetary medium, make observations of the Sun, and possibly study Deimos.
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