Planet Saturn, 20 new moons discovered


This 7 October 2019 video says about itself:

20 New Moons JUST Discovered Orbiting Saturn

A team led by Carnegie [Carnegie Institution for Science]’s Scott S. Sheppard has found 20 new moons orbiting Saturn. This brings the ringed planet’s total number of moons to 82, surpassing Jupiter, which has 79.

The discovery was announced Monday (Oct. 7th) by the International Astronomical Union’s Minor Planet Center.

Music credit: YouTube Audio Library
Immortality – Aakash Gandhi

New moons of Saturn

This illustration is courtesy of the Carnegie Institution for Science. Saturn image is courtesy of NASA/JPL-Caltech/Space Science Institute. Starry background courtesy of Paolo Sartorio/Shutterstock.

From the Carnegie Institution for Science in the USA:

Help Name 20 Newly Discovered Moons of Saturn!

Carnegie’s Scott Sheppard has just announced the discovery of 20 new moons orbiting Saturn, bringing its total to 82 and moving it ahead of Jupiter, which has 79. All hail the new king of moons!

Earlier this year we held a contest to name five Jovian moons discovered by Sheppard last July. We loved the enthusiasm everyone showed for this contest so much that we’re doing it again. Please help us name all 20 Saturnian moons!

Contest Launch Date:

October 7, 2019

Contest End Date:

December 6, 2019

How to Submit:

Tweet your suggested moon name to @SaturnLunacy and tell us why you picked it. Photos, artwork, and videos are strongly encouraged. Don’t forget to include the hashtag #NameSaturnsMoons.

The General Rules:

We hope you know a lot about giants, because that’s the key to playing the name game for Saturnian moons.

  • Two of the newly discovered prograde moons fit into a group of outer moons with inclinations of about 46 degrees called the Inuit group. All name submissions for this group must be giants from Inuit mythology.
  • Seventeen of the newly discovered moons are retrograde moons in the Norse group. All name submissions for this group must be giants from Norse mythology.
  • One of the newly discovered moons orbits in the prograde direction and has an inclination near 36 degrees, which is similar to those in the Gallic group, although it is much farther away from Saturn than any other prograde moons. It must e named after a giant from Gallic mythology.

Learn More:

Further details about how the International Astronomical Union names astronomical objects can be found here.

Make Sure Your Proposed Name Is Not Already in Use:

Current names can be checked at the International Astronomical Union’s Minor Planet Center here or here.

Check out this video about the moon-naming process:

With 20 new moons, Saturn now has the most of any solar system planet. The discovery brings the planet’s total to 82. The previous record-holder, Jupiter, has 79: here.

Physics Nobel awarded for discoveries about the universe’s evolution and exoplanets. Three scientists win for revealing the cosmic makeup and finding a planet orbiting a sunlike star: here.

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