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Jupiter: Latest Discoveries and Photos

Big Fireball on Jupiter Spotted by Amateur Astronomers

Learn the latest discoveries about Jupiter and the Jovian moons and rings. The gas giant Jupiter is the largest planet in our solar system.

The half-dozen icy satellites may have been spawned by a merger of bigger bodies that created Saturn's huge moon Titan.
Images of the largest planet suggest it has undergone some big changes in recent years.
99% the diameter of Mercury but only a third of Mercury's mass, what lies beneath deep beneath Callisto's pockmarked surface may surprise you. And it's probably the best place to base future explorations of the Jupiter system.
Perhaps as old as the Solar System itself, Ganymede – the largest moon of any planet – is the only moon known to have a magnetic field.
Tidal forces of Jupiter's huge mass cause sulphur volcanoes of Jupiter's inner most moon to constantly erupt. Io is literally tearing itself apart. It's the most geologically active body in the solar system.
Locked beneath the icy surface of Europa is perhaps as much water as in all of Earth's oceans and lakes. But could there be life in the salty underground global sea?
By far the most massive planet in our solar system, Jupiter features giant hurricanes, auroras, abstract artistic cloudswirls, and maybe even a solid core. It also protects Earth by gravitationally clearing the solar system of asteroids and comets.
Emmanuel Kardasis made the map using an 11-inch telescope and off-the-shelf camera and computer equipment.
Future missions hoping to explore Europa's ocean may have to dig very deep.
The Pleiades star cluster stands highest in the sky appearing as a close group of bright blue dots.
George Hall captured a flash, likely an asteroid vaporizing in Jupiter’s atmosphere, on September 10th, 2012. Scientists see the big planet as a cosmic vacuum cleaner. See Mr. Hall's astrophotography here: http://georgeastro.weebly.com/jupiter.html
Amateur astronomer Christopher Go captured what appears to be the resulting fireball from an asteroid impacting the gas giant. Seen here looped and replayed in slow motion.
Liquid water could slosh beneath the frigid moon's icy shell.
Voyager 1's rocket only had 3.5 seconds of fuel left when it sent the probe on its way 35 years ago.
The maneuver is now slated for Sept. 14.
This September skywatchers can catch a glimpse of four planets (Venus, Mars, Jupiter, and Saturn) as well as a visual trick in the constellation Capricornus that makes two stars look like one oddly enlongated star.
Another engine burn for Juno is planned this coming Tuesday.
This early morning shot of the iconic salt march captures the crescent moon with Jupiter and Venus.