The predawn hours of Aug. 8 present a perfect opportunity to see Jupiter's four largest moons line up next to the "King of the Planets" as it voyages through the stars of the constellation Gemini.
While Io, the most volcanically active moon in the solar system, appears completely dry and devoid of water ice, its neighbor ...
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Moon-forming disk around massive planet offers insight into how the moons of gas giants might have formed
The NASA/ESA/CSA James Webb Space Telescope has provided the first direct measurements of the chemical and physical properties of a potential moon-forming disk encircling a large exoplanet. The carbon ...
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