For the first time, astronomers have uncovered evidence of water vapor in the atmosphere of Jupiter's moon Ganymede. This water vapor forms when ice from the moon's surface sublimates—that is, turns from solid to gas.
Astronomy
Jul 26, 2021
3
1398
On June 7, 2021, NASA's Juno spacecraft flew closer to Jupiter's ice-encrusted moon Ganymede than any spacecraft in more than two decades. Less than a day later, Juno made its 34th flyby of Jupiter, racing over its roiling ...
Planetary Sciences
Jul 14, 2021
1
3682
NASA's Juno spacecraft has provided the first close-ups of Jupiter's largest moon in two decades.
Space Exploration
Jun 9, 2021
3
860
Jupiter's moon Ganymede is the largest planetary satellite in the solar system. It's also one of the most intriguing: Ganymede is the only moon with its own magnetic field, it is the most differentiated of all moons, and ...
Space Exploration
Jan 21, 2021
1
662
Researchers from Kobe University and the National Institute of Technology, Oshima College have conducted a detailed reanalysis of image data from Voyager 1, 2 and Galileo spacecraft in order to investigate the orientation ...
Space Exploration
Aug 7, 2020
2
64
On its way inbound for a Dec. 26, 2019, flyby of Jupiter, NASA's Juno spacecraft flew in the proximity of the north pole of the ninth-largest object in the solar system, the moon Ganymede. The infrared imagery collected by ...
Space Exploration
Jul 24, 2020
15
56
ESA's Jupiter Icy Moons Explorer, Juice, is set to embark on a seven-year cruise to Jupiter starting May 2022. The mission will investigate the emergence of habitable worlds around gas giants and the Jupiter system as an ...
Space Exploration
Feb 6, 2019
0
12
Space Shuttle Atlantis deployed the Galileo spacecraft six hours, 30 minutes into the flight on Oct. 18, 1989. In this image, Galileo, mounted atop the inertial upper stage, is tilted to a 58-degree deployment position in ...
Space Exploration
Oct 19, 2018
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10
A recently published study led by researchers at the University of Hawai'i at Manoa School of Ocean and Earth Science and Technology reveals Ganymede, an icy moon of Jupiter, appears to have undergone complex periods of geologic ...
Space Exploration
Oct 10, 2018
0
42
Far across the solar system, from where Earth appears merely as a pale blue dot, NASA's Galileo spacecraft spent eight years orbiting Jupiter. During that time, the hearty spacecraft—slightly larger than a full-grown giraffe—sent ...
Space Exploration
Apr 30, 2018
0
90
