The cocktail of chemicals that make up the frozen surfaces on two of Jupiter's largest moons are revealed in the most detailed images ever taken of them by a telescope on Earth.
Planetary Sciences
Oct 10, 2022
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547
In 1610, Galileo Galilei looked up at the night sky through a telescope of his own design. Spotting Jupiter, he noted the presence of several "luminous objects" surrounding it, which he initially took for stars. In time, ...
Space Exploration
Oct 16, 2015
0
58
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
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3682
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
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1398
A critical antenna is jammed on a Jupiter-bound spacecraft launched two weeks ago, the European Space Agency reported Friday.
Space Exploration
Apr 28, 2023
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614
An international team of space scientists has found evidence that hydrogen peroxide on Ganymede, Jupiter's largest moon, exists only on its higher latitudes. For their research, reported in the journal Science Advances, the ...
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
NASA's Hubble Space Telescope has the best evidence yet for an underground saltwater ocean on Ganymede, Jupiter's largest moon. The subterranean ocean is thought to have more water than all the water on Earth's surface.
Space Exploration
Mar 12, 2015
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2291
Data collected by NASA's Juno mission indicates a briny past may be bubbling to the surface on Jupiter's largest moon.
Astronomy
Oct 31, 2023
0
164
More than 400 years after Galileo's discovery of Io, the innermost of Jupiter's largest moons, a team of scientists led by Arizona State University (ASU) has produced the first complete global geologic map of the Jovian satellite. ...
Space Exploration
Mar 19, 2012
9
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