Explore seven factual aspects of Jupiter, including its size, moons, rotation, atmosphere, rings, formation, and magnetic field based on NASA findings.
On Jan. 10, 2026, Jupiter reaches opposition, the moment when Earth passes directly between the planet and the sun. It puts ...
Jupiter is the brilliant evening “star” visible after sunset this winter, peaking in brightness at opposition on Jan. 10, ...
On Dec. 28, 2000, NASA’s Galileo spacecraft discovered auroras on Ganymede, Jupiter’s largest moon. Galileo launched in 1989 on a mission to study Jupiter and its moons. It also flew by Venus and ...
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Looking for a sky event this week? Check out our full Sky This Week column. December 1: Ganymede and its shadow transit Jupiter December 2nd opens with Ganymede’s shadow transiting the gas giant’s ...
New research suggests that Theia, the object whose collision with Earth is theorized to have caused the formation of the moon, came from closer to the sun. Artist’s impression of the collision between ...
On November 16, a waning crescent Moon, exhibiting earthshine, will pass 1.2° south of Spica in the early morning sky, with Venus also visible and appearing 98 percent illuminated. During the evening ...
Michael J. I. Brown receives research funding from the Australian Research Council and Monash University. It’s a beautiful clear night. The stars are out and the Moon looks breathtaking against the ...
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