![]() ![]() Power : 570 watts (at launch) from radioisotope thermoelectric generators.Weight : 4,902 pounds (2,223 kilograms), including 260 pounds (118 kilograms) of science instruments and 2,040 pounds (925 kilograms) of propellant.Size: 17 feet (5.3 meters) high magnetometer boom extended 36 feet (11 meters) to one side. ![]() ![]() Total distance traveled, launch to impact:Ībout 2.8 billion miles (4.6 billion kilometers) Speed of atmospheric entry at mission end:ġ06,000 miles per hour (47 kilometers per second) - equivalent of traveling from Los Angeles to New York City in 82 seconds Spacecraft entered Jupiter’s atmosphere on Sept. Io 7, Callisto 8, Ganymede 8, Europa 11, Amalthea 1 Number of Jupiter orbits during entire mission: Impacts of comet fragments into Jupiter observed while en route in July 1994 18, 1989 from Kennedy Space Center, Fla., aboard space shuttle Atlantis It was the first spacecraft to operate in a giant planet magnetosphere long enough to identify its global structure and to investigate its dynamics.It made the first, and so far only, direct observation of a comet colliding with a planet’s atmosphere (Shoemaker-Levy 9).It completed the first flyby and imaging of an asteroid (Gaspra, and later, Ida).It was the first spacecraft to deploy an entry probe into an outer planet's atmosphere.Galileo was the first spacecraft to orbit an outer planet. ![]()
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