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1. Solar system's largest moon likely has a hidden ocean
- www.jpl.nasa.gov
- Add Jupiter's moon Ganymede, which is bigger than two of the solar system's nine planets, to the growing list of worlds with evidence of liquid water under the surface. ...
- A thick layer of melted, salty water somewhere beneath Ganymede's icy crust would be the best way to explain some of the magnetic readings taken by NASA's Galileo spacecraft during close approaches to Ganymede in May 2000 and earlier, according to one new report. ...
- In addition, the types of minerals on parts of Ganymede's surface suggest that, in the past, salty water may have emerged from below or melted at the surface, according to a study of infrared reflectance measured by Galileo. ...
- Third, new Galileo images of Ganymede hint how the water or slushy ice may have surfaced through the fractured crust, reminiscent of linear features on Europa, a neighboring moon believed likely to have a deep ocean beneath its ice. ...
- They include the most detailed photos ever taken of Ganymede and an animated virtual flyover of an area where a smooth, bright swath resembling parts of Europa cuts across older, more heavily cratered terrain. ...
- The new information about Ganymede is being presented at the fall meeting of the American Geophysical Union, beginning today (Dec. ... Ganymede is the biggest moon in the solar system and bigger than the planets Mercury and Pluto. ...
- The magnetic clues to a possible saltwater layer at Ganymede are more complicated than earlier magnetic evidence of hidden oceans on two other moons of Jupiter, Europa and Callisto, said Dr. ... That's because Ganymede has a strong magnetic field of its own, instead of just a secondary field induced by Jupiter's magnetism. ...
- But the indications of an induced field at Ganymede are "highly suggestive" of a salty ocean on Ganymede, too, Kivelson said. ...
- A melted layer several kilometers or miles thick, beginning within 200 kilometers (120 miles) of Ganymede's surface would fit the data if it were about as salty as Earth's oceans, Kivelson said. ...
- Ganymede is covered with lots of ice and frost, both in the older, dark terrains and younger, bright terrains, said Dr. Thomas McCord, a geophysicist at the University of Hawaii, Honolulu, who has been using Galileo's infrared spectrometer instrument to identify surface materials on Ganymede. ...
- The infrared evidence does not indicate whether or not an ocean persists at Ganymede today, he said. ...
- Photos Galileo took as it passed within 809 kilometers (503 miles) of Ganymede on May 20 display details of a tumultuous past, according to Drs. ...
- "Bright broken swaths, disrupted dark plains and the astounding Arbela Sulcus suggest Ganymede may be more similar to Europa than previously believed," Pappalardo said. ... "It is possible that Arbela Sulcus has formed by complete separation of Ganymede's icy crust, like bands on Europa, but unusual for Ganymede," he said. ...
2. APOD: March 4, 1999 - Ganymede Mosaic
- antwrp.gsfc.nasa.gov
- Ganymede Mosaic .
- Explanation: Ganymede, one of the four Galilean moons of Jupiter, is the largest moon in the Solar System. ... Ganymede is locked in synchronous rotation with Jupiter. ... Speckled with bright young craters, Ganymede's surface shows a mixture of old, dark, cratered terrain and lighter regions laced with grooves and ridges. Ganymede's true colors tend toward subtle browns and grays, but this mosaic's colors have been enhanced to increase surface contrasts. The violet shades extending from the top and bottom are likely due to frost particles in Ganymede's polar regions. ...
3. Ganymede
- www.nineplanets.org
- Ganymede.
- Ganymede ("GAN uh meed") is the seventh and largest of Jupiter's known satellites. Ganymede is the third of the Galilean moons. ...
- Ganymede was a Trojan boy of great beauty whom Zeus carried away to be cup bearer to the gods. ...
- Ganymede is the largest satellite in the solar system. ... Ganymede is much larger than Pluto. ...
- Before the Galileo encounters with Ganymede it was thought that Ganymede and Callisto were composed of a rocky core surrounded by a large mantle of water or water ice with an ice surface (and that Titan and Triton were similar). Preliminary indications from the Galileo data now suggest that Callisto has a uniform composition while Ganymede is differentiated into a three layer structure: a small molten iron or iron/sulfur core surrounded by a rocky silicate mantle with a icy shell on top. In fact, Ganymede may be similar to Io with an additional outer layer of ice. ...
- Ganymede's surface is a roughly equal mix of two types of terrain: very old, highly cratered dark regions (left), and somewhat younger (but still ancient) lighter regions marked with an extensive array of grooves and ridges (right). ... In this respect, Ganymede may be more similar to the Earth than either Venus or Mars (though there is no evidence of recent tectonic activity). ...
- Evidence for a tenuous oxygen atmosphere on Ganymede, very similar to the one found on Europa, has been found recently by HST (note that this is definitely NOT evidence of life). ...
- This is probably due to the relatively weak nature of Ganymede's icy crust which can flow over geologic time and thereby soften the relief. ...
- Galileo's first flyby of Ganymede discovered that Ganymede has its own magnetosphere field embedded inside Jupiter's huge one. ... More about Ganymede.
- Ganymede from Satellites of the Outer Planets .
4. Ganymede
- www.ecsel.psu.edu
- Ganymede is one of the most common art sources too. The nature of the affair, indicating ancient Greek's perspective of homosexuality, has supplied with great ideas the painters and pottery makers through the years, and Ganymede has been presented both during his abduction, and as serving the gods. ... Ganymede may symbolize the innocent, sinless person who dies and is carried up to live with the gods. This opinion is demonstrated in the "Portrait of a Child as Ganymede. ...
- Painting found on an Attic cup, showing Ganymede being chased by Zeus. ...
- Zeus has captured Ganymede, carrying him to Mt Olympus. ...
- Another Attic tray/plate showing Zeus capturing Ganymede, dated around 460 B. ...
- Zeus in the form of the eagle, takes Ganymede up to Mt Olympus. ...
- Zeus and Ganymede, sculpture dated around 320-310 B. ...
- Ganymede with the Gods, cup by Oltos, ca. ... Ganymede has been captured by Zeus, he lives with the gods and serves them. ...
- Cover of casket from Egypt, with Jupiter and Ganymede, late Roman Period. ...
- It depicts Jupiter (Zeus) in the form of an eagle carrying Ganymede to heaven. ...
- The Rape of Ganymede. ...
- Abduction of Ganymede, 1786-1808, Benoît Louis Henriquez, engraving on paper. ... Shown, is Ganymede as Zeus' cup bearer, holding the cup, and awaiting two winged figures to fill it in. ...
5. Debian -- enlightenment-theme-ganymede
- packages.debian.org
- Distribution: stable Section: x11 Package: enlightenment-theme-ganymede (0. ...
- cK's Ganymede theme for E.
- This is cK's Ganymede theme. ... Other packages related to enlightenment-theme-ganymede:.
- Download enlightenment-theme-ganymede .
- More information on enlightenment-theme-ganymede.
- Check for bug reports about enlightenment-theme-ganymede.
- See the developer information for enlightenment-theme-ganymede.
- Search for other versions of enlightenment-theme-ganymede.
6. APOD: October 25, 1996 - A Flyby View of Ganymede
- antwrp.gsfc.nasa.gov
- A Flyby View of Ganymede.
- Explanation: This is what it would look like to fly over the surface of Jupiter's moon Ganymede. ... Deep furrows cover Ganymede's surface, and several impact craters are also present. Galileo continues to orbit Jupiter and send back breathtaking photos of Ganymede, Io, Europa, Callisto, and, of course, Jupiter itself. ...
7. A Big Moon Close Up
- science.nasa.gov
- May 23, 2000 -- On Saturday, May 20, 2000, NASA's Galileo spacecraft successfully flew past the largest moon in our solar system -- Ganymede, which orbits around Jupiter. Galileo dipped to 809 kilometers (503 miles) above the surface in the spacecraft's first flyby of Ganymede since May 7, 1997.
- Above: Ganymede, which orbits Jupiter, is slightly larger than the planet Mercury and more than three-quarters the size of the planet Mars. If it orbited the Sun, Ganymede would surely be considered a planet. Shown here in their correct relative sizes are a Hubble Space Telescope image of Mars, a Galileo image of Ganymede, a Mariner 10 mosaic of Mercury (the smooth stripe represents an area of missing data), and a Galileo spacecraft picture of the Moon.
- To fly by Ganymede, Galileo had to approach Jupiter's powerful radiation belts. ... Onboard software correctly diagnosed this as a false indication, and proceeded with the Ganymede encounter as programmed. ...
- Jupiter's largest moon Ganymede is even larger than Mercury and Pluto. ...
- Great Ganymede! -Describes the science objectives of Galileo's May, 2000, flyby. ...
- Ganymede -from the SEDS Nine Planets.
- The Facts about Ganymede -from JPL's Galileo Home Page.
- Galileo Plasma Wave Investigation: Observations at Ganymede -This web site hosted by the University of Iowa summarized the evidence that Ganymede has its own magnetic field.
- Galileo Finds a Magnetic Field on Ganymede -- 1996 JPL press release.
8. Ganymede's atmosphere
- www.cyberwest.com
- Hydrogen escaping from Ganymede hints oxygen lurking at surface .
- Atomic hydrogen found escaping from Ganymede implies Jupiter's largest moon has large amounts of oxygen hovering over or locked up in its icy surface, according to University of Colorado observations with NASA's Galileo spacecraft. ...
- Senior Researcher Charles Barth of CU-Boulder's Laboratory for Atmospheric and Space Physics said observations made with a CU ultraviolet spectrometer on Galileo indicate UV radiation is breaking down Ganymede's rock-hard ice into atomic hydrogen and atomic oxygen. Because atomic hydrogen is the lightest atom and Ganymede has a weak gravitational field, the hydrogen escapes while the atomic oxygen stays behind, said Barth. ...
- Barth speculated the atomic oxygen forms molecular oxygen and ozone which may become trapped in the ice or form a very thin atmosphere above the surface of Ganymede. "If this process has been occurring for the past four billion years since Ganymede was formed, then the moon should have as much oxygen on its icy surface as Earth has in its atmosphere," he said. ...
- With a diameter of 3,269 miles, Ganymede is the largest moon in the solar system and is about three-quarters the size of Mars. ... The surface temperatures of Ganymede hover at a chilly minus 186 degrees F. ...
- The CU-Boulder spectrometer was pointed at Ganymede during a June 27 flyby, passing within 519 miles of the moon. The approach was 70 times closer than the approach of the Voyager 2 spacecraft to Ganymede in 1979. ...
- While previous observations with the Hubble Space Telescope have indicated there is oxygen at Ganymede, the direct observations of escaping hydrogen by the CU-Boulder team provide a mechanism for the presence of oxygen, Barth said. ...
- A CU-Boulder team discovered atomic hydrogen escaping from Mars and ozone at its surface in 1969 using NASA's Mariner 6 spacecraft, a finding essentially identical to the new Ganymede discoveries, Barth said. ...
- "Mars is an analog to Earth and Ganymede is an analog to Mars," Barth said. "Although the conditions on Ganymede are extremely cold, it would be interesting to see what processes might take place if there was a way to haul Ganymede into the orbit of Mars. ...
- "Studying the formation of an atmosphere on Ganymede may help us understand how the early atmosphere of Earth evolved. ...
- Supernova 1987A expected to light up the sky once again Hydrogen escaping from Ganymede hints oxygen lurking at surface Evidence for existence of black holes overwhelming .
9. Ganymede
- www.lpi.usra.edu
- Crescent Ganymede observed by Voyager 1 in March 1979 from a distance of 115,000 kilometers by the spacecraft's wide-angle camera. Ganymede's natural color is a little like milk chocolate, as shown in this approximately "natural" color view. ...
- GANYMEDE.
- With a diameter of 5268 kilometers, Ganymede is the largest satellite in the solar system and larger than the planet Mercury. Ganymede and Callisto are similar in size and density. Yet compared to "boring" Callisto, Ganymede has a very complex geologic history. The different geologic histories of Ganymede and Callisto have been a continuing puzzle. Impact craters, volcanic deposits, and tectonic structures are all common on the surface of Ganymede. ... Recent theoretical work suggests that the eccentricity of Ganymede's orbit was tidally pumped up in ancient times, probably accounting for the long complex geologic history of Ganymede. Unlike Europa and Io, Ganymede is not undergoing tidal heating today.
- Ganymede.
- The global geography of Ganymede is shown in this view obtained from 2. ... While most of Ganymede is relatively brownish in color, possibly due to the contamination of the icy surface by meteoritic material, these polar frosts are more neutrally colored. ...
- Bright and Grooved Terrain on Ganymede.
- These views of bright terrain are the highest resolution images obtained on Ganymede. ... Dark Terrain on Ganymede.
10. Astrobiology @ NASA
- astrobiology.arc.nasa.gov
- Galileo returning data on Ganymede and Europa.
- The data will give scientists a clearer understanding of two of Jupiter's ice-encrusted moons, Europa and Ganymede. ...
- Some scientists have speculated that the same may be true of Ganymede, although many others think this unlikely. ...
- In the case of Ganymede, the magnetometer measures not the planet's magnetic field, but the moon's (Ganymede is the only moon in our solar system that generates a magnetic field of its own). ...
- Readings from the Near-Infrared Mapping Spectrometer (NIMS) will reveal the distribution of ice and other materials on the surface of Ganymede. Photos taken by the Solid-State Imaging camera (SSI) will permit scientists to better understand how the terrain of Ganymede was formed.
- The data on Ganymede were collected during a flyby in May. The next flyby of Ganymede is set for December. ...
- Similar readings will be taken of Ganymede later in the year. ...
- Ganymede's liquid past .
- (NASA) - Long swaths of bright, flat terrain on the surface of Jupiter's icy moon Ganymede may testify that water or slush emerged there about a billion years ago, say planetary scientists. ...
- Galileo swings by Ganymede .
- Cassini probe snaps photos of Ganymede, Callisto and Europa .
- Evidence of ocean on Jupiter's moon Ganymede .
- (NASA) - Data from the Galileo space probe suggest that liquid water may lie beneath Ganymede's icy crust. ...
- Evidence of ancient ocean on Ganymede .
11. Re: ganymede and openldap
- www.openldap.org
- Date Prev Date Next Chronological Thread Top Re: ganymede and openldap.
- Subject: Re: ganymede and openldap .
- >If I were to modify the data at the ganymede server, I will >need to write a script to dump the data back to the LDAP >server. ...
- ganymede and openldap .
- Prev by Date: ganymede and openldap .
12. PDS MAP-A-PLANET - GANYMEDE EASY
- pdsmaps.wr.usgs.gov
- GANYMEDE EASY VERSION.
- Welcome to the PDS MAP-A-PLANET for Ganymede - Easy Version. ...
- Thank you for visiting PDS MAP-A-PLANET for Ganymede - Easy Version. ...
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