Subscribe free to our newsletters via your
  Saturn News  

Subscribe free to our newsletters via your

Oscillations found in Saturn's rings

disclaimer: image is for illustration purposes only
by Staff Writers
Stanford, Calif. (UPI) Jan 16, 2008
U.S. scientists have found evidence of periodic variation in the density of particles in some of Saturn's outer rings.

The findings were made by instruments aboard the Cassini spacecraft in a series of experiments exploring the structure of Saturn's rings, and measuring the size and distribution of particles in the rings.

The Cassini spacecraft flew behind the plane of rings A and B, near the outside of Saturn's complex ring structure, and transmitted radio waves through ring particles to Earth.

Scientists from Stanford University in California, Wellesley College in Massachusetts and the California Institute of Technology in Pasadena, Calif., analyzed the radio signals to help determine properties of the rings.

The scientists found oscillations in particle densities that affected the radio signals traveling through the planet's rings. The researchers posit the oscillations are caused by gravitational forces and collisions among the ring's fine particles.

The study appears in the journal Geophysical Research Letters.

Related Links
Explore The Ring World of Saturn and her moons
Jupiter and its Moons
The million outer planets of a star called Sol
News Flash at Mercury

Memory Foam Mattress Review
Newsletters :: SpaceDaily :: SpaceWar :: TerraDaily :: Energy Daily
XML Feeds :: Space News :: Earth News :: War News :: Solar Energy News

Cassini Image Contest Brings Nearby World Together In Search Of Beauty Beyond
Boulder CO (SPX) Jan 10, 2008
Thousands of enthusiastic fans of NASA's Saturn-orbiting Cassini spacecraft have chosen a color picture of a tiny, dot-like planet Earth, cradled by Saturn's rings during a total solar eclipse, as the most popular image of all those so far returned by the Cassini mission.

  • The PI's Perspective: Autumn 2007: Onward to the Kuiper Belt
  • Data For The Next Generations
  • Goddard Instrument Makes Cover Of Science
  • Checking Out New Horizons

  • Ice Clouds Put Mars In The Shade
  • Scientists examine effects of wind on Mars
  • 2007 WD5 Mars Collision Effectively Ruled Out As Impact Odds Widen To 1 In 10000
  • Russia claims to be ahead in race to put man on Mars

  • The Restless Atmosphere Of Venus
  • The Unexpected Temperature Profile Of Venus's Atmosphere
  • The Venusian Climate And Its Evolution
  • Earth-like Venus

  • Messenger Reveals Mercury In New Detail
  • A New Face Of Mercury Revealed As Messenger Speeds By
  • US space probe glides over Mercury in first visit since '75
  • Mercury After 33 Years Of Distant Glimpses

  • Russia to search for life on Jupiter's moon Europa: report
  • Return To Europa: A Closer Look Is Possible
  • Rethinking Jupiter
  • Jovian Magnetosphere Circulates Magnetic Field Very Differently From Earth

  • Weird Object May Be Result Of Colliding Protoplanets
  • Two Unusual Older Stars Giving Birth To Second Wave Of Planets
  • Search For New Planets Part Of Ambitious New Sky Survey
  • A Young Extrasolar Planet In Its Cosmic Nursery

  • With Moon Dirt In Demand, Geoscientist's Business Is Booming
  • NASA Announces Study Human Lunar Lander Design As Students Line Up For Moonbuggy Races
  • NASA Quest To Find Water On The Moon Moves Closer To Launch
  • Europe's Next Ride To The Moon: Chandrayaan-1

  • SKorea decides to terminate satellite: space agency
  • Japanese satellite flops at map-making: official
  • SERVIR: NASA Lends A Hand In Central America
  • ISRO To Launch Carto-2A Satellite In January 2008

  • The content herein, unless otherwise known to be public domain, are Copyright Space.TV Corporation. AFP and UPI Wire Stories are copyright Agence France-Presse and United Press International. ESA Portal Reports are copyright European Space Agency. All NASA sourced material is public domain. Additional copyrights may apply in whole or part to other bona fide parties. Advertising does not imply endorsement, agreement or approval of any opinions, statements or information provided by Space.TV Corp on any Web page published or hosted by Space.TV Corp. Privacy Statement