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Latest Moons of Saturn Stories

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2009-09-14 06:28:01

Scientists using the Cassini spacecraft's  Magnetospheric Imaging instrument (MIMI) have detected a new, temporary radiation belt  at Saturn, located around the orbit of its moon Dione at about 377 000 km from the center of the planet. The discovery will be presented at the European Planetary Science Congress in Potsdam by Dr Elias Roussos on Monday September 14.Radiation belts, like Earth's Van Allen belts, have been discovered at Jupiter, Saturn, Uranus and Neptune.  However, to...

2009-08-15 12:16:31

A storm cell the size of India was identified on Titan, Saturn's largest moon, scientists from the California Institute of Technology said. The methane cloud mass spotted over a cold desert area likely played a major part in shaping the area with significant amounts of precipitation, Caltech scientists wrote in the journal Nature. The cell was found in April 2008 by Emily Schaller, now a Hubble postdoctoral fellow at the University of Arizona, Caltech and NASA said in a release Saturday....

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2009-08-15 06:55:00

The jointly owned U.S. and European spacecraft Cassini has transmitted raw images back to Earth of the instant Saturn reached its equinox.Scientists are now studying the pictures in hopes they might reveal new information about the planet's ring system.Equinox occurs when the Sun crosses a planet's equator, creating days and nights of equal length.  During Saturn's equinox, the Sun's angle over the planet is lowered, revealing new objects and irregularities as shadows on the otherwise flat...

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2009-08-10 09:40:00

In 1918, magician extraordinaire Harry Houdini created a sensation when he made a 10,000 pound elephant disappear before a mystified audience of over 5,200 at New York's famed Hippodrome theatre. But a vanishing pachyderm is nothing compared to the magnificent illusion to be performed by our solar system's own sixth rock from the sun on Aug. 11. On that day, ladies and gentlemen, boys and girls, children of all ages, the planet Saturn, with no help from either Jupiter or Uranus, will make its...

118287c6245c62e4cead095d86accaff1
2009-07-22 17:10:00

Data collected during two close flybys of Saturn's moon Enceladus by NASA's Cassini spacecraft add more fuel to the fire about the Saturnian ice world containing sub-surface liquid water. The data collected by Cassini's Ion and Neutral Mass Spectrometer during Enceladus flybys in July and Oct. 2008, were released in the July 23 issue of the journal Nature."When Cassini flew through the plume erupting from Enceladus on October 8 of last year, our spectrometer was able to sniff out many...

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2009-07-15 08:30:00

A new study has revealed the origins of tiger stripes and a subsurface ocean on Enceladus - one of Saturn's many moons. These geological features are believed to be the result of the moon's unusual chemical composition and not a hot core, shedding light on the evolution of planets and guiding future space exploration.Dr Dave Stegman, a Centenary Research Fellow in the School of Earth Sciences at the University of Melbourne, led the study and says that part of the intrigue with Enceladus is...

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2009-07-01 14:00:28

The Cassini mission, a joint venture of NASA and the European and Italian space agencies has been orbiting Saturn for five Earth years as of Tuesday. NASA officials said that is about one sixth of a Saturnian year -- enough time for the spacecraft to have observed seasonal changes on the planet, its moons and sunlight's angle on the dramatic rings. Cassini passed through a gap in the rings as it entered orbit on June 30, 2004, NASA said. It finished its prime mission in 2008 and continues to...

2009-06-24 15:53:00

PASADENA, Calif., June 24 /PRNewswire-USNewswire/ -- For the first time, scientists working on NASA's Cassini mission have detected sodium salts in ice grains of Saturn's outermost ring. Detecting salty ice indicates that Saturn's moon Enceladus, which primarily replenishes the ring with material from discharging jets, could harbor a reservoir of liquid water -- perhaps an ocean -- beneath its surface. (Logo: http://www.newscom.com/cgi-bin/prnh/20081007/38461LOGO ) Cassini discovered the...

2f2a172c1b9d7e0195b3ac2619d14ffb1
2009-06-24 13:15:00

Researchers in Europe released a new report on Wednesday that suggests the geyser seen on the surface of Saturn's moon Enceladus could be fed by a salty ocean underneath the surface.Writing in the journal Nature, scientists said that the discovery could support theories of the existence of extraterrestrial life.Scientists first discovered Enceladus' habit of spewing a mix of water vapor, gas and tiny grains of ice into space in 2005 with observations from the Cassini spacecraft.Enceladus is...

a423c0d43dcc89e2330174a0f40d9f0d1
2009-06-15 15:02:10

The most exotic frozen cocktails on Earth won't be found in a chic restaurant or trendy bar. Scientists are mixing up these icy concoctions in a rather nondescript laboratory not much bigger than a janitor's closet. The surroundings are spartan, but the recipes they're using are out of this world.Researchers in JPL's Ice Physical Properties Laboratory are recreating the ices found on the frigid bodies that inhabit the cold, outer reaches of our solar system. The goal is to study up-close the...


Latest Moons of Saturn Reference Libraries

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2004-10-19 04:45:44

Lagrangian Point -- In Lagrangian mechanics, a Lagrangian point (or L-point) is one of five positions in space where the gravitational fields of two bodies of substantial but differing mass combine to form a point at which a third body of negligible mass would be stationary relative to the two bodies. Bodies at the L-point will not move relative to the parent bodies if they are not perturbed by other gravitational forces. They are sometimes also referred to as libration points. The...

4_75f4d6ac5758ae2da2f285fe4d468f3d2
2004-10-19 04:45:41

Saturn's moon Phoebe -- Phoebe is the outermost of Saturn's known moons. Phoebe is almost 4 times more distant from Saturn than its nearest neighbor (Iapetus). It was discovered by William Henry Pickering in 1898. Most of Saturn's moons have very bright surfaces, but Phoebe's albedo is very low (.06), as dark as lampblack. All of Saturn's moons except for Phoebe and Iapetus orbit very nearly in the plane of Saturn's equator. Phoebe's orbit is retrograde, inclined almost 175, and is...

4_8f22c004497825023679cbda1abc7a952
2004-10-19 04:45:41

Saturn's moon Titan -- Titan is the planet Saturn's largest moon. It is larger than either of the planets Mercury or Pluto and is the second-largest moon in the solar system after Ganymede (it was originally thought to be slightly larger than Ganymede, but recent observations have shown that its thick atmosphere caused overestimation of its diameter). Titan was discovered on March 25, 1655 by the Dutch astronomer Christian Huygens, making it one of the first non-terrestrial moons to be...

4_b983e20f7df3428e0c6ef2ef2a9951672
2004-10-19 04:45:41

Saturn's moon Rhea -- Rhea is the second largest moon of Saturn. It was discovered in 1672 by Giovanni Cassini. Rhea is an icy body with a density of about 1.24 gm/cm3. This low density indicates that it has a rocky core taking up less than one-third of the moon's mass with the rest composed of water-ice. Rhea's features resemble those of Dione, with dissimilar leading and trailing hemispheres, suggesting similar composition and histories. The temperature on Rhea is -174°C in direct...

4_91f495f26b55d202d8a0236841ee6c472
2004-10-19 04:45:41

Saturn's moon Helene -- Helene is a moon of Saturn, discovered by Laques and Lecacheux in 1980 from ground-based observations. It is co-oribtal with Dione and located in its leading Lagrangian point (L4) and hence is sometimes referred to as "Dione B". ----- Orbital radius: 377,400 km Diameter: 33 km (36 x 32 x 30) Mass: Unknown Orbital period: 2.7369 days Orbital inclination: 0.2 ----- NASA Learn more on this topic from eLibrary here:

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