For a rendezvous with a comet the craft would carry cameras and remote-sensing instruments to study and measure the gas and dust boiling off its nucleus.

From that December through October 1995, the Mars Observer is supposed to study the weather and geology of the planet with seven remote-sensing instruments, including a camera.

Other remote-sensing instruments on board are designed to determine the mineral content of the Martian surface, temperatures and weather conditions, magnetic fields and the elevations of topographic features.

The Russians want access to the superior American deep-space tracking network and use of American and Western European scientific and remote-sensing instruments.

The unmanned craft will also carry imaging and other remote-sensing instruments for observing a comet while flying in formation with it for three years.

His specialty is designing complex remote-sensing instruments for spacecraft at the Jet Propulsion Laboratory, which directs planetary exploration for the National Aeronautics and Space Administration.

The global surveyor's cameras and other remote-sensing instruments will not supply any quick answers to the life-on-Mars question.

On the top deck are the main antennas for communications, a mast mounted with cameras for panoramic and three-dimensional photography and a set of remote-sensing scientific instruments.

Scientists hope Odyssey's remote-sensing instruments will point the way to the most intriguing places to explore next with other orbiters, landers and roving vehicles.

Other remote-sensing instruments on Cassini detected evidence that Titan had lost three-quarters of its original atmosphere.