And just months later, he and his colleagues beat their own record by finding an even more distant object named Farfarout. The rest of the rules are written on … From 2004 to 2007, Sheppard and his colleagues used Subaru to take an extremely close look in the area around Saturn to search for undiscovered moons. Nearly three years later, astronomers have announced the discovery of 20 small moons orbiting Saturn, bringing the planet's total up to 82. These newfound moons slot into previously known groups of Saturnian satellites—each named after sets of mythological giants. Saturn is now the solar system's moon king.

The moons don't have names yet, and scientists are asking for the public's help to name the objects. Space Science Institute, JPL-Caltech/NASA.

Astronomers recently announced the discovery of 20 new moons in orbit around Saturn, giving the planet a total of 82. International Astronomical Union’s Minor Planet Center.

Seventeen of the new moons orbit in the opposite direction of Saturn’s rotation. Saturn now has the most known moons of any planet in the solar system: 82.

You may see some brilliant meteor showers thanks to the Draconids and Southern Taurids this week, Your California Privacy Rights/Privacy Policy. “Using some of the largest telescopes in the world, we are now completing the inventory of small moons around the giant planets,” said Sheppard. "This time, the moons must be named after giants from Norse, Gallic or Inuit mythology," he said.

Two of these "prograde" moons take roughly two years to finish one orbit, while the third takes more than three years to go around Saturn. The jury is still out on whether any planets beyond our solar system have even more moons. SubscribePrivacy Policy(UPDATED)Terms of ServiceCookie PolicyPolicies & ProceduresContact InformationWhere to WatchConsent ManagementCookie Settings. With astronomer Chad Trujillo, Sheppard previously co-discovered an extremely distant object with an orbit that might be tugged by an unseen "Planet Nine" deep in the solar system’s outskirts. Jupiter may be the solar system’s king, but Saturn has a bigger entourage: Today, astronomers announced that they have discovered 20 more moons around Saturn, bringing its total number to 82—the most for any planet in the solar system. Sheppard and his colleagues have invited the public to give suggestions in a contest set to end on December 6. Taken together, these sets of relatively small moons could help astronomers better understand the many collisions that took place in the early solar system, and they could provide ripe new flyby targets for future missions to the gas giants. The discovery images for the newly found prograde moon of Saturn provisionally designated S/2004 S24. Even bigger objects may lurk around Uranus and Neptune. Seventeen of them orbit the planet backwards, or in a retrograde direction, meaning their movement is opposite of the planet’s rotation around its axis. So how many moons does Saturn have? That means the competition is back on. That tops Jupiter and its 79 moons.

Mon 7 Oct 2019 14.24 EDT.

The massive haul comes just over a year after astronomers announced 12 new moons orbiting Jupiter, but with the latest finds, Saturn’s retinue now surpasses Jupiter’s 79 known natural satellites. Sheppard’s moon discoveries strike a more personal note. While they did see some intriguing points of light, they struggled to prove that those pinpricks were in fact orbiting Saturn.

"Being able to fill out that diagram further and further is basically a dream come true," he says.

But now, new computer techniques have made it much easier to analyse multiple years’ worth of telescope images and find links between them. Science News was founded in 1921 as an independent, nonprofit source of accurate information on the latest news of science, medicine and technology. Saturn now has the most moons in our solar system with 20 new moons. © Society for Science & the Public 2000–2020. The finding was announced Monday by the International Astronomical Union’s Minor Planet Center. Sheppard and his team used a telescope in Hawaii to spot Saturn’s 20 new moons over the past few months. So how many moons does Saturn have? "I’ve always had that in the back of my mind," Sheppard says.

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"I was so thrilled with the amount of public engagement over the Jupiter moon-naming contest that we've decided to do another one to name these newly discovered Saturnian moons," Sheppard said. When he was about 12 years old, he received a kid’s science magazine that listed all the known planets and moons, and he posted the pages on his bedroom wall. "It was fun to find that Saturn is the true moon king," said astronomer Scott Sheppard of the Carnegie Institution for Science. "One of the more exciting things about these outer moons is that there’s always missions going," says Scott Sheppard, an astronomer with the Carnegie Institution for Science who co-discovered both planets’ newest moons. That beats Jupiter and its 79 moons.

Sorry, your blog cannot share posts by e-mail. In 2011, the Cassini spacecraft captured this image of Saturn with five of its moons visible.

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