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[5] [3] There were also radiometer-type instruments on the Rosetta comet probe, and Cassini-Huygens. [3] Previously, the Galileo probe directly measured Jupiter's atmosphere in situ as it descended into the atmosphere, but only down to 22 bars of pressure. [5] However, MWR is designed to look down as deep as 1000 bar of pressure.
Galileo arrived at Jupiter on December 7, 1995, after gravitational assist flybys of Venus and Earth, and became the first spacecraft to orbit an outer planet. [4] The Jet Propulsion Laboratory built the Galileo spacecraft and managed the Galileo program for NASA. West Germany's Messerschmitt-Bölkow-Blohm supplied the propulsion module.
JPL built the Galileo spacecraft and managed the Galileo program for NASA, but West Germany's Messerschmitt-Bölkow-Blohm supplied the propulsion module, and Ames managed the atmospheric probe, which was built by the Hughes Aircraft Company. At launch, the orbiter and probe together had a mass of 2,562 kg (5,648 lb) and stood 6.15 m (20.2 ft) tall.
In October 1989, the Galileo spacecraft was launched on from Kennedy Space Center's Complex 39B. Designed to study Jupiter, its moons, and its surrounding environment, Galileo was the first spacecraft to orbit an outer planet. The mission also included encounters with the asteroids 951 Gaspra and 243 Ida.
The Galileo spacecraft was designed to study Jupiter and its major moons in detail. [30] Although the probe only entered the gas giant's orbit in the 1990s, its inception and planning during the 1980s signified JPL's continued commitment to deep space exploration.
The trip from Earth to Jupiter, the probe's exploration of the Jovian atmosphere, and an orbiter tour consisting of 11 orbits of Jupiter constituted Galileo ' s primary mission. On Jupiter Arrival Day (7 December 1995), the Galileo spacecraft was given a gravity-assist from Io and then subjected to the Jupiter orbit insertion (JOI) maneuver ...
The 2.5-ton Galileo spacecraft was launched in 1989 and cruised for 6 years in interplanetary space between Venus’ and Jupiter's orbit and measured interplanetary dust. [63] The 370 kg Ulysses spacecraft was launched a year later and went on a direct trajectory to Jupiter, which it reached in 1992 for a swing-by maneuver that put the ...
Galileo's prime mission was a two-year study of the Jovian system. The spacecraft traveled around Jupiter in elongated ellipses, each orbit lasting about two months. The differing distances from Jupiter afforded by these orbits allowed Galileo to sample different parts of the planet's extensive magnetosphere. The orbits were designed for close ...