... Taken from the NASA/JPL information summary "Our Solar System at a Glance". The National Aeronautics and Space Administration's (NASA's) automated spacecraft for solar system exploration come in many shapes and sizes. ... Electrical power is required to operate the spacecraft instruments and systems. ... Between 1959 and 1971, NASA spacecraft were dispatched to study the Moon and the solar environment; they also scanned the inner planets other than Earth -- Mercury , Venus and Mars . ...

MARS-96 . ... Spacecraft . ... This issue describes the MARS-96 robotic spacecraft scientific mission to Mars prepared according to the Federal Program of Space Exploration developed by the Russian Academy of Sciences and the Russian Space Agency. ... Information was provided by Space Research Institute, Vernadsky Institute of Geochemistry and Analytic Chemistry, Lavochkin Research Association, Keldysh Applied Mathematics Institute, Flight Control Center and the Mars-96 scientific experiment teams. ...

... European Remote Sensing Satellite (ERS-1) was launched on 17 July 1991, and the follow mission ERS-2 (with the same sensors and an Ozone monitoring instrument added) was launched on 21 April 1995. ... ERS-2 has a fixed repeat cycle of 35 days, and follows ERS-1 tracks with one day's delay. ... Swath width is 102.5 km (telemetered), spatial resolution is about 25x25 m. The Advanced SAR (ASAR) instrument is carried by ESA's ENVISAT satellite launched on 1 March 2002. ... Swath . ... Spatial Resolution...

Cosmic Research, Vol. 42, No. 5, 2004, pp. 435­488. Translated from Kosmicheskie Issledovaniya, Vol. 42, No. 5, 2004, pp. 453­508. Original Russian Text Copyright © 2004 by Veselovsky, Panasyuk, Avdyushin, Bazilevskaya, Belov, Bogachev, Bogod, Bogomolov, Bothmer, Boyarchuk, Vashenyuk, Vlasov, Gnezdilov, Gorgutsa, Grechnev, Denisov, Dmitriev, Dryer, Yermolaev, Eroshenko, Zherebtsov, Zhitnik, Zhukov, Zastenker, Zelenyi, Zeldovich, Ivanov-Kholodnyi, Ignat'ev, Ishkov, Kolomiytsev, Krasheninnikov, Kudela,