ocr: MARS UBSERVER MARS REITAL MAPPING MISSION Magnetometers Camera Key Features Themal Emission Balloon Relay Spectrometer Spacecraft design based on Earth-orbiting space- craft Electron Refilectometer, Laser. Altimeter Launch in 1992 on Titan IlI with Transter orbit Pressure Upper Stage Modulator Infrared Radiometer Continuous observation Gamma-Ray for on Martian year High-Gain Antenna Spectrometer (687 Earth days) 1992 1993 1994 1995 1996 Objectives Provide data for relay Soviet capability Launch Period 9/16/92 -1 10/5/92 Conduct studies of Mars atmospheric -Elemental Composition balloon and lan ...