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During its Jupiter encounter, the probe made measurements of the planet's magnetosphere. [33] Since the probe had no cameras, no images were taken. In February 2004, the probe arrived again at the vicinity of Jupiter. This time the distance from the planet was much greater—about 120 million km (0.8 AU)—but it made further observations of ...
With very little time, the Galileo team had to formulate command sequences and get them to Jupiter. The spacecraft recovered only three minutes before the closest encounter with Io. Collected dramatic pictures of Io volcanic activity. Observed mile-high lava fountain.
Jupiter radiates more heat than it receives through solar radiation, due to the Kelvin–Helmholtz mechanism within its contracting interior. [70]: 30 [71] This process causes Jupiter to shrink by about 1 mm (0.039 in) per year. [72] [73] At the time of its formation, Jupiter was hotter and was about twice its current diameter. [74]
To get to Jupiter, the Clipper will first fly past Mars on March 1, using the red planet's gravity to boost its speed and bend the trajectory to send the probe back toward Earth for another ...
Around Dec. 14, Jupiter will be visible in the night sky between the nearly full moon and a reddish-orange star called Aldebaran, which shines brightest in the Taurus constellation and can be seen ...
An important decision made at this time was to use a Mariner program spacecraft like that used for Voyager for the Jupiter orbiter, rather than a Pioneer. Pioneer was stabilized by spinning the spacecraft at 60 rpm , which gave a 360-degree view of the surroundings, and did not require an attitude control system.
Just over a year after it was launched, the European Space agency's Jupiter Icy Moons Explorer (JUICE) is returning towards Earth on Aug. 19-20 and will use the braking effect of its gravity to ...
The safe-mode incidents on I24 and I25 left some gaps in the data, which I27 targeted. This time Galileo passed 198 kilometers (123 mi) over the surface of Io. At this time, the spacecraft was nearly at the maximum distance from Earth, and there was a solar conjunction, a period when the Sun blocked the line of sight between Earth and Jupiter ...