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Keyword: cassini

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  • Latest Titan pictures now available.

    01/15/2005 3:38:33 AM PST · by cabojoe · 105 replies · 4,058+ views
    ESA ^ | 1-15-05 | cabojoe
    This composite was produced from images returned yesterday, 14 January 2005, by ESA's Huygens probe during its successful descent to land on Titan. It shows a full 360-degree view around Huygens.
  • European Craft on Saturn Moon Finds Tantalizing Signs of Liquid

    01/14/2005 7:16:29 PM PST · by neverdem · 53 replies · 2,156+ views
    NY Times ^ | January 15, 2005 | JOHN NOBLE WILFORD
    DARMSTADT, Germany, Jan. 14 - A European spacecraft plunged through the murky atmosphere of Saturn's moon Titan on Friday and successfully came to rest on a bizarre landscape never before explored. Astronomers expressed joy at achieving the first landing on another planet's moon, particularly Titan, the only moon in the solar system with substantial atmosphere. "We clearly have a success," said Dr. Jean-Jacques Dordain, director general of the European Space Agency. "This is a fantastic success for Europe." The first pictures from the spacecraft, Huygens, did nothing to undermine the reputation of Titan as a strange place. One showed what...
  • Cassini - Huygens Pictures From Surface Of Titan

    01/14/2005 3:14:36 PM PST · by blam · 86 replies · 3,089+ views
    ESA ^ | 1-14-2005
    First images from Titan 14 January 2005 This raw image was returned by the ESA Huygens DISR camera after the probe descended through the atmosphere of Titan. It shows the surface of Titan with ice blocks strewn around. The size and distance of the blocks will be determined when the image is properly processed.http://www.esa.int/images/landing03_L2.jpgFirst images from Titan 14 January 2005 This is one of the first raw images returned by the ESA Huygens probe during its successful descent. It was taken from an altitude of 16.2 kilometres with a resolution of approximately 40 metres per pixel. It apparently shows short,...
  • Huygens Probe Returns First Images of Titan's Surface

    01/14/2005 2:05:33 PM PST · by JeffersonRepublic.com · 31 replies · 1,398+ views
    DARMSTADT, Germany -- The first pictures revealing the surface of Saturn's moon, Titan, were shown from Europe's Huygens probe showing what look like drainage channels on the surface of what until today has been a planet totally hidden from view. The first image, taken from an altitude of 16 kilometers, has a ground resolution of about 40 meters, said Martin Tomasko, principal investigator for Huygens' Descent Imager/Spectral Radiometer (DISR). Tomasko said that Huygens research teams now have about 350 pictures to work with. [Scroll to the bottom of this story to see raw image files of the Titan descent taken...
  • Probe Enters Atmosphere of Saturn's Moon

    01/14/2005 5:42:41 AM PST · by alessandrofiaschi · 303 replies · 7,447+ views
    Yahoo.com news ^ | Melissa Eddy, AP Writer
    DARMSTADT, Germany - A European space probe plunged into the hazy, mysterious atmosphere of Saturn's moon Titan on Friday, and elated mission controllers said it had opened its parachute to slow its descent as it gathers data. The Huygens probe had successfully restarted its systems and the mission, which could provide clues to how life arose on Earth, was going well, said Roberto Lo Verda, a spokesman for the European Space Agency. "It has entered the atmosphere, and entered it correctly," Lo Verda said. "We know the batteries are switched on, the parachute has deployed and it has slowed down...
  • European Probe Lands on Saturn's Moon

    01/14/2005 8:13:29 AM PST · by anymouse · 21 replies · 1,148+ views
    Associated Press ^ | 1.14.05 | MELISSA EDDY
    DARMSTADT, Germany - A European space probe landed safely on the surface of Saturn's moon Titan on Friday, a space official said, buoying hopes the mission would produce data that could shed light on the origins of life on Earth. Officials were jubilant as early signals showed the probe powering up for entry, then beginning the 2 1/2-hour parachute descent during which it was to gather information that could shed light on how life arose on Earth. Mission controllers were confident the Huygens probe made a soft landing because it was still transmitting steadily long after it should have landed,...
  • Huygens Probe is doing it's thing..

    01/14/2005 2:45:42 AM PST · by cabojoe · 20 replies · 820+ views
    Nasa TV reports radio telescope reception of Huygens probe carrier signal. Tune into Nasa TV for ongoing information.
  • Scientists Find That Saturn's Rotation Period Is A Puzzle

    01/13/2005 6:00:04 PM PST · by SunkenCiv · 9 replies · 951+ views
    University of Iowa ^ | June 28, 2004 | Gary Galluzzo and Don Gurnett
    The currently accepted rotation period of Saturn came from radio measurements obtained during the Voyagers 1 and 2 flybys of Saturn in 1980-81, and is 10 hour 39 minutes and 24 seconds plus or minus 7 seconds. The first hint of something strange at Saturn came in 1997 when Alain Lecacheux, Patrick Galopeau, and Monique Aubier, from Observatoire de Paris, published a paper in the Austrian Academy of Science Press reporting that Saturn's radio rotation period was about one percent longer than the value obtained from Voyager. Now, during the Cassini approach to Saturn, where the radio signals from the...
  • Suicide probe takes Saturn mission to climax (Cassini-Huygens)

    01/13/2005 10:48:21 AM PST · by Pyro7480 · 64 replies · 1,352+ views
    Yahoo! News (AFP) ^ | 1/13/2005 | n/a
    Suicide probe takes Saturn mission to climax PARIS (AFP) - The most ambitious interplanetary mission ever launched reaches a climax when a clam-shaped probe plunges towards Titan in a suicidal quest to unlock the mystery of Saturn's biggest moon. If all goes according to plan, the death dive of the European probe Huygens could push back the frontiers of knowledge about the Solar System. For more than four hours, the scout will relay back to its mothership precious data which could help explain the chemical recipe that enabled life to appear on Earth several billion years ago. "Titan has a...
  • Timeline of Huygens Descent to Titan (in EST)

    01/13/2005 8:19:16 AM PST · by Bones75 · 5 replies · 338+ views
    Hey all, thought the space lovers out there might like this if they haven't seen it yet. It's the timeline of the Huygens descend noted in Eastern time.... Here is a detailed timeline of major entry events on Jan. 14 (in EST; all times represent when an event occurs relative to signals received on Earth). Explanations for key events from the European Space Agency's Huygens website; Cassini timeline events provided by the Jet Propulsion Laboratory: Jan. 14 02:33 AM (-02h40m) - Cassini solid state recorders prepped for support 02:45 AM (-02h28m) - Cassini transition to thruster control for relay 02:55...
  • Go Huygens! (Huygens at Saturn's Moon Titan)

    01/13/2005 12:53:26 AM PST · by kidd · 8 replies · 1,090+ views
    NASA/JPL ^ | January 11, 2005 | NASA/JPL/Space Science Institute
    This map illustrates the planned imaging coverage for the Descent Imager/Spectral Radiometer, onboard the European Space Agency's Huygens probe during the probe's descent toward Titan's surface on Jan. 14, 2005. The Descent Imager/Spectral Radiometer is one of two NASA instruments on the probe. The colored lines delineate regions that will be imaged at different resolutions as the probe descends. On each map, the site where Huygens is predicted to land is marked with a yellow dot. This area is in a boundary between dark and bright regions. This map was made from the images taken by the Cassini spacecraft...
  • Saturn's Moon Iapetus Shows a Bulging Waistline

    01/09/2005 9:10:32 PM PST · by Southack · 16 replies · 1,024+ views
    NASA ^ | 1/7/2005 | Staff
    Saturn's Moon Iapetus Shows a Bulging WaistlineJanuary 7, 2005(Source: Jet Propulsion Laboratory) Iapetus in 3D More Iapetus Images Images returned by NASA's Cassini spacecraft cameras during a New Year's Eve flyby of Saturn's moon Iapetus (eye-APP-eh-tuss) show startling surface features that are fueling heated scientific discussions about their origin. One of these features is a long narrow ridge that lies almost exactly on the equator of Iapetus, bisects its entire dark hemisphere and reaches 20 kilometers high (12 miles). It extends over 1,300 kilometers (808 miles) from side to side, along its midsection. No other moon in the solar system...
  • Huygens probe descends toward Titan

    12/24/2004 8:32:20 PM PST · by ProudVet77 · 41 replies · 1,318+ views
    MSNBC ^ | 12/24/04 | AP
    The Associated Press Updated: 11:07 p.m. ET Dec. 24, 2004The Cassini spacecraft launched a probe Friday on a three-week free-fall toward Saturn’s mysterious moon Titan, where it will plunge into the hazy atmosphere and descend by parachute while its science instruments and cameras make observations. The European Space Agency’s Huygens probe is equipped with instruments to sample the chemistry of Titan’s thick atmosphere, and may reveal whether the surface actually has lakes or seas of liquid methane and ethane that have been theorized by scientists. A signal confirming release of the probe was received at NASA’s Jet Propulsion Laboratory at...
  • European Space Agency's Huygens Probe Set to Detach From Cassini Orbiter

    12/23/2004 5:10:31 AM PST · by kidd · 20 replies · 791+ views
    Jet Propulsion Laboratory ^ | December 21, 2004 | Carolina Martinez
    The highlights of the first year of the Cassini-Huygens mission to Saturn can be broken into two chapters: first, the arrival of the Cassini orbiter at Saturn in June, and second, the release of the Huygens probe on Dec. 24, 2004, on a path toward Titan. The Huygens probe, built and managed by the European Space Agency (ESA), is bolted to Cassini and fed electrical power through an umbilical cable. It has been riding along during the nearly seven-year journey to Saturn largely in a "sleep" mode, awakened every six months for three-hour instrument and engineering checkups. In three days,...
  • Stunning Image from Saturn: A splendid portrait created by light and gravity.

    11/29/2004 3:46:00 PM PST · by Names Ash Housewares · 44 replies · 3,046+ views
    JPL ^ | JPL
    In a splendid portrait created by light and gravity, Saturn's lonely moon Mimas is seen against the cool, blue-streaked backdrop of Saturn's northern hemisphere. Delicate shadows cast by the rings arc gracefully across the planet, fading into darkness on Saturn's night side. http://photojournal.jpl.nasa.gov/catalog/PIA06142 http://photojournal.jpl.nasa.gov/jpeg/PIA06142.jpg
  • Huygens probe gets clean bill of health [final checks for Christmas Day release to Saturn's Titan]

    11/24/2004 1:51:58 PM PST · by Mike Fieschko · 29 replies · 667+ views
    The Register ^ | Nov 24, 2004 | Lucy Sherriff
    The European Space Agency's Huygens probe, carried millions of miles to Saturn on board the NASA Cassini space craft, has completed its final series of checks before separation. The check up, its sixteenth, found the probe in good health, according to the ESA. The Huygens probe will detach from Cassini on Christmas day, and drop into orbit around Titan, Saturn's biggest moon. On 15 January 2005 it will begin its descent into Titan's atmosphere, an event that might even be visible from Earth, provided you have a decent telescope, and are in the right place at the time. The...
  • Something Oozed on Titan's Surface

    11/08/2004 11:46:11 AM PST · by ckilmer · 8 replies · 692+ views
    Universe Today ^ | Nov 8, 2004
    Something Oozed on Titan's Surface Summary - (Nov 8, 2004) NASA's Cassini spacecraft took this image of Titan as it sped past the moon on Oct. 26, 2004. It was taken from an altitude of 2,500 km (1,553 miles) using the spacecraft's aperture radar, which can penetrate thick clouds and reveal the texture of the ground underneath. The dark regions are areas which are smooth, and the bright areas are more bumpy. It could be that the smooth areas are cryovolcanic flows, where water-rich liquid has welled up from inside Titan's warmer interior and spread out on the surface. Full...
  • Cassini flies past Titan; pictures expected tonight

    10/26/2004 4:19:20 PM PDT · by Stars N Stripes · 64 replies · 1,178+ views
    Spaceflight Now ^ | 10-26-2004 | BY WILLIAM HARWOOD
    PASADENA, Calif. - NASA's Cassini spacecraft streaked by Saturn's smoggy moon Titan today, targeted to pass within just 750 miles of the planet-sized satellite to give scientists their first detailed glimpse of a world that, until now, has been shrouded in mystery. Moving through space at some 14,000 mph, Cassini made its closest approach to Titan at 12:44 p.m. EDT, using the moon's gravity to change its trajectory slightly for another Titan flyby Dec. 13. Today's encounter, the first of 45 Titan flybys planned over the course of Cassini's four-year primary mission, occurred while the $3 billion spacecraft was out...
  • Titan image from Cassini two days from flyby (Oct. 23); flyby T-17 hours

    10/25/2004 9:32:25 AM PDT · by cogitator · 48 replies · 42,342+ views
    SpaceRef ^ | 10/25/2004 | JPL
    Cassini-Huygens home page
  • Probe preparing to plunge into Titan's atmosphere

    10/16/2004 7:46:52 AM PDT · by RightWhale · 17 replies · 499+ views
    spaceflightnow.com ^ | 16 Oct 04 | UNIVERSITY OF CALIFORNIA-BERKLEY
    Probe preparing to plunge into Titan's atmosphere UNIVERSITY OF CALIFORNIA-BERKLEY NEWS RELEASE Posted: October 15, 2004 On Jan. 14, 2005, the Huygens probe will plow into the orange atmosphere of Saturn's moon, Titan, becoming the first spacecraft to attempt to land on a moon in our solar system since the Soviet Union's Luna 24 touched down on Earth's moon in 1976. Though scientists hope that Huygens will survive the plunge, it will be flying blind through hydrocarbon haze and methane clouds to a surface that could consist of seven-kilometer-high ice mountains and liquid methane seas. That's the picture that...
  • And Now For News That No One Cares About: ONE MORE RING!

    09/22/2004 7:06:53 PM PDT · by zide56 · 10 replies · 440+ views
    The Scotsman ^ | September 10, 2004
    British scientists have detected a new ring around Saturn. The discovery was made by a team examining images sent back to Earth by the Cassini spacecraft currently orbiting the planet. The ring is 190 miles wide and interposed between two other rings.
  • Cassini Discovers Ring And One, Possibly Two, Objects At Saturn(CBS finds Killian typewriter)

    09/10/2004 7:15:31 PM PDT · by Bobber58 · 3 replies · 502+ views
    nasa ^ | 2004-09-10 | http://saturn.jpl.nasa.gov
       + View the NASA Portal Search JPL News Releases A new found ring of material, S/2004 1 R, in the orbit of Saturn's moon Atlas has been seen in this view of the region between the edge of Saturn's A ring and the F ring. + Full image and caption+ Larger image A small new found object, temporarily designated S/2004 S 3, has been seen orbiting Saturn's outer F ring. The tiny object, seen in this movie centered in a green box, orbits the planet at a distance of approximately 141,000 kilometers (86,420 miles) from the center of Saturn....
  • The sound of rings

    08/26/2004 2:57:49 PM PDT · by swilhelm73 · 6 replies · 328+ views
    Science News ^ | 8/26/04 | Ron Cowen
    When Cassini reached Saturn on June 30, it twice dashed through a gap in the planet's rings, and onboard science instruments recorded a flurry of ring dust harmlessly striking the spacecraft. http://science.nasa.gov/headlines/y2004/images/hailstorm/61980main_PIA06410-Sounds-movie.mov.
  • Cassini spacecraft successfully fires engine to raise orbit

    08/23/2004 8:09:23 PM PDT · by NormsRevenge · 7 replies · 498+ views
    Bakersfield Californian ^ | 8/23/04 | AP - Pasadena
    PASADENA, Calif. (AP) - The Cassini spacecraft successfully fired its engine for 51 minutes Monday to raise its orbit so it will not pass through Saturn's rings on its next close approach to the planet and to set itself on course for another flyby of the big moon Titan on Oct. 26, NASA said. Confirmation of the successful burn was received at 11:51 a.m. PDT, according to a statement from Jet Propulsion Laboratory, which manages the international mission. The maneuver was designed to raise its altitude during the next close approach to Saturn by 186,000 miles. Cassini arrived at Saturn...
  • Cassini Finds Two Small, Surprising Moons at Saturn

    08/16/2004 4:22:59 PM PDT · by HawkeyeLonewolf · 5 replies · 321+ views
    Space.com ^ | Robert Roy Britt
    The Cassini spacecraft has spotted to previously unknown and small moons orbiting Saturn in an unexpected location. The satellites are tiny, about 2 miles (3 kilometers) and 2.5 miles (4 kilometers) in diameter. They orbit within 131,000 miles (211,000 kilometers) of the planet's center. The discoveries bring the total of Saturn's known moons to 33. Number 31 was discovered last year with a ground-based telescope.
  • Astronomy Picture of the Day 08-10-04

    08/10/2004 5:17:00 AM PDT · by petuniasevan · 4 replies · 547+ views
    NASA ^ | 08-10-04 | Robert Nemiroff and Jerry Bonnell
    Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2004 August 10 The Double Haze above Titan Credit: Cassini Imaging Team, SSI, JPL, ESA, NASA Explanation: Most moons have no haze layer at all - why does Titan have two? Images from the Cassini spacecraft that slipped into orbit around Saturn last month confirm that the Solar System's most mysterious moon is surrounded not only by a thick atmosphere but also by two distinct spheres of haze....
  • Cassini Spacecraft Sees Saturn Lightning

    08/06/2004 12:03:51 PM PDT · by ckilmer · 10 replies · 742+ views
    Yahoo! ^ | Fri Aug 6,11:10 AM ET | JOHN ANTCZAK, Associated Press Writer
    Cassini Spacecraft Sees Saturn Lightning Fri Aug 6,11:10 AM ET Add Science - AP to My Yahoo! By JOHN ANTCZAK, Associated Press Writer LOS ANGELES - The Cassini spacecraft's mission to Saturn has revealed a new radiation belt around the ringed planet and found that lightning in its atmosphere is occurring in different patterns than it did when NASA (news - web sites)'s Voyagers flew by in the early 1980s, scientists said. AP Photo AP Photo Slideshow: Cassini Saturn Mission The discoveries announced Thursday are part of an early wave of information about the Saturn system from Cassini, which arrived...
  • Cassini eyes Saturn lightning, discovers new radiation belt

    08/06/2004 8:19:14 AM PDT · by NormsRevenge · 6 replies · 491+ views
    Bakersfield Californian ^ | 8/6/04 | John Antczak - AP
    LOS ANGELES (AP) - The Cassini spacecraft's mission to Saturn has revealed a new radiation belt around the ringed planet and found that lightning in its atmosphere is occurring in different patterns than it did when NASA's Voyagers flew by in the early 1980s, scientists said. The discoveries announced Thursday are part of an early wave of information about the Saturn system from Cassini, which arrived June 30 on a $3.3 billion exploration expected to last four years. "This is exactly the point of doing a mission like this," said Bill Kurth of the University of Iowa, the deputy principal...
  • Probe To 'Look Inside' Asteroids

    07/28/2004 8:22:08 AM PDT · by blam · 28 replies · 956+ views
    BBC ^ | 7-28-2004 | Paul Rincon
    Probe to 'look inside' asteroids By Paul Rincon BBC News Online science staff in Paris, France Studies of asteroids would aid Earth-protection strategies A new space mission concept unveiled at a Paris conference aims to look inside asteroids to reveal how they are made. Deep Interior would use radar to probe the origin and evolution of two near-Earth objects less than 1km across. The mission, which could launch some time later this decade, would also give clues to how the planets evolved. The perceived threat of asteroids colliding with our planet has renewed interest in space missions to understand these...
  • Astronomy Picture of the Day 07-23-04

    07/23/2004 7:39:32 AM PDT · by petuniasevan · 5 replies · 796+ views
    NASA ^ | 07-23-04 | Robert Nemiroff and Jerry Bonnell
    Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2004 July 23 Saturn's Rings in Natural Color Credit: Cassini Imaging Team, SSI, JPL, ESA, NASA Explanation: What colors are Saturn's rings? Recent images from the Cassini spacecraft now orbiting Saturn confirm that different rings have slightly different colors. The above image shows their sometimes-subtle differences in brightness and color. The rings reflect sunlight and so, even if they were perfectly reflecting, would appear the color of the...
  • Cassini Takes Image of Saturn's Rings

    07/22/2004 4:13:43 PM PDT · by NormsRevenge · 8 replies · 761+ views
    AP on Yahoo ^ | 7/22/04 | AP
    PASADENA, Calif. - The international Cassini spacecraft sent back a natural-color image of Saturn showing the planet's rings are shades of pink, gray and a bit of brown, scientists announced Thursday. The image was taken June 21, a few days before the spacecraft entered orbit, from 4 million miles below the rings. The rings are mostly ice, which is white if it is pure. Researchers at NASA (news - web sites)'s Jet Propulsion Laboratory believe the different colors reflect the presence of other materials, such as rock or carbon compounds. Detailed close-ups sent immediately after Cassini entered orbit on June...
  • Astronomy Picture of the Day 07-21-04

    07/21/2004 4:56:45 AM PDT · by petuniasevan · 3 replies · 609+ views
    NASA ^ | 07-21-04 | Robert Nemiroff and Jerry Bonnell
    Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2004 July 21 A Shadow on the Rings of Saturn Credit: Cassini Imaging Team, SSI, JPL, ESA, NASA Explanation: This picture of Saturn could not have been taken from Earth. No Earth based picture could possibly view the night side of Saturn and the corresponding shadow cast across Saturn's rings. Since Earth is much closer to the Sun than Saturn, only the day side of the planet is...
  • Astronomy Picture of the Day 07-12-04

    07/12/2004 12:38:43 PM PDT · by petuniasevan · 12 replies · 597+ views
    NASA ^ | 07-12-04 | Robert Nemiroff and Jerry Bonnell
    Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2004 July 12 Cassini Images Saturn's A Ring Credit: UVIS, U. Colorado, ESA, NASA Explanation: What are Saturn's rings made of? In an effort to find out, the robot spacecraft Cassini that entered orbit around Saturn two weeks ago took several detailed images of the area surrounding Saturn's large A ring in ultraviolet light. In the above image, the bluer an area appears, the richer it is in...
  • Astronomy Picture of the Day 07-10-04

    07/10/2004 3:35:07 AM PDT · by petuniasevan · 2 replies · 607+ views
    NASA ^ | 07-10-04 | Robert Nemiroff and Jerry Bonnell
    Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2004 July 10 Phoebe Craters in Stereo Credit: Cassini Imaging Team, SSI, JPL, ESA, NASA(Stereo image by Patrick Vantuyne) Explanation: Get out your red/blue glasses and gaze across the spectacular, cratered terrain of Saturn's icy moon Phoebe in stereo. The dramatic 3-D perspective spans roughly 50 kilometers and is based on two raw, uncalibrated images (N00004840.jpg and N00004838.jpg) from the Cassini spacecraft's narrow angle camera taken during the...
  • Cassini Finds Mud in Saturn's Rings

    07/08/2004 1:06:40 AM PDT · by God bless America-5 · 13 replies · 862+ views
    Space.com ^ | 07 July 2004 | Robert Roy Britt
    Cassini Finds Mud in Saturn's Rings By Robert Roy Britt Senior Science Writer posted: 05:00 pm ET 07 July 2004 http://www.space.com/scienceastronomy/saturn_rings_040708.html Saturn's rings are a a lot dirtier than originally believed, according to new observations by the Cassini spacecraft that show that the inner regions are packed with rock and mud. "We've known for decades the rings are mostly made of water," said Larry Esposito of the University of Colorado at Boulder. "Now we know the amount of water varies, increasing toward the outer edge of the rings. Cassini images made in ultraviolet light and released yesterday have been combined...
  • Ultraviolet Images From Cassini Reveal Detail of Saturn's Rings

    07/07/2004 9:49:11 PM PDT · by BenLurkin · 2 replies · 276+ views
    Associated Press ^ | Jul 7, 2004 | Associated Press
    LOS ANGELES (AP) - Ultraviolet images of Saturn's rings taken by the international Cassini spacecraft may offer astronomers clues about the origin of the planet's shimmering halos of ice and debris, scientists said Wednesday. The images show more ice toward the outer part of the rings, possibly providing hints about how the rings have changed over time, according to mission scientists. Saturn's rings are mostly ice but also contain other "dirty" material that astronomers want to investigate. NASA's Jet Propulsion Laboratory in Pasadena, Calif., released pictures Wednesday that depict the rings in shades of turquoise and red. The images were...
  • Astronomy Picture of the Day 07-06-04

    07/06/2004 2:31:14 PM PDT · by petuniasevan · 4 replies · 480+ views
    NASA ^ | 07-06-04 | Robert Nemiroff and Jerry Bonnell
    Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2004 July 6 Titan from Cassini in Infrared Credit: Cassini Imaging Team, VIMS, U. Arizona, ESA, NASA Explanation: Could life exist under the smog of Titan? If not, what is creating all of the methane? To help answer these questions, the largest and most mysterious moon of Saturn got a quick first look from the Cassini robot spacecraft soon after entering orbit around the giant planet last week....
  • Astronomy Picture of the Day 07-02-04

    07/02/2004 9:06:21 AM PDT · by petuniasevan · 8 replies · 473+ views
    NASA ^ | 07-02-04 | Robert Nemiroff and Jerry Bonnell
    Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2004 July 2 The Encke Gap: A Moon Goes Here Credit: Cassini Imaging Team, SSI, JPL, ESA, NASA Explanation: Yesterday, Cassini became the first spacecraft to enter orbit around gas giant Saturn, rocketing through a 25,000 kilometer wide gap in the distant planet's magnificent system of icy rings at about 15 kilometers per second. Turning to snap pictures, Cassini's narrow angle camera recorded this stunning close-up of a...
  • The Greatest Show Off Earth

    06/30/2004 1:42:53 PM PDT · by vanderleun · 9 replies · 247+ views
    Amrican Digest ^ | June 30, 2004 | Gerard Van der Leun
    The Greatest Show Off Earth SEVEN YEARS AND 2.2 BILLION MILES IN THE MAKING Saturn's peaceful beauty invites the Cassini spacecraft for a closer look.... NASA TV/webcast coverage of Cassini's arrival at Saturn begins June 30, 6:30 pm Pacific time. Check this page frequently for mission updates. My up-close and personal relationship with Saturn is brand new. Sure, I'd seen the pictures and the "artist's conceptions" all my life. I'd read the stories, both science and fiction, and I believed. I had faith. I had faith that Saturn existed and that it had the rings that made it the single...
  • Cassini's first surprise: Saturn's magnetic field unlike Earth's

    06/29/2004 10:26:23 PM PDT · by LibWhacker · 11 replies · 736+ views
    sfgate.com ^ | 6/29/04 | David Perlman
    Ringed planet's poles are on either side of its equator Pasadena -- The spacecraft called Cassini, now little more than a million miles from Saturn, is already establishing that the mysterious ringed planet's magnetic field is bizarrely unlike Earth's -- and more surprises are sure to come. Cassini's interplanetary course is to carry it Wednesday night into the first of 76 orbits around Saturn to begin its four-year mission, and scientists are awaiting that first close-in encounter with some anxiety.
  • Ringworld Waiting

    06/29/2004 6:52:55 PM PDT · by NormsRevenge · 14 replies · 273+ views
    NASA ^ | 6/29/04
    Saturn's peaceful beauty invites the Cassini spacecraft for a closer look in this natural color view, taken during the spacecraft's approach to the planet. By this point in the approach sequence, Saturn was large enough that two narrow angle camera images were required to capture an end-to-end view of the planet, its delicate rings and several of its icy moons. The composite is made entire from these two images. Moons visible in this mosaic: Epimetheus (116 kilometers, 72 miles across), Pandora (84 kilometers, 52 miles across) and Mimas (398 kilometers, 247 miles across) at left of Saturn; Prometheus (102 kilometers,...
  • NASA Runs Rings Around Saturn

    06/29/2004 1:05:21 PM PDT · by demlosers · 30 replies · 442+ views
    The Ledger ^ | June 29, 2004
    Instead of being concerned with the pestilence in the Parisian streets in his day, JeanDominique Cassini (16251712) continued studying the heavens. He discovered comets and planetary moons. Saturn's rings were first viewed by Galileo Galilei in 1610, but he saw them from the edge and misidentified them as two moons. Forty-five years later, Dutch astronomer Christiaan Huygens, using a telescope superior to Galileo's, determined the two moons to be a ring around Saturn. Another 20 years passed, and in 1675, Cassini discovered that Saturn's ring actually was divided into two rings. The large gap between them is still referred to...
  • Saturn's natural radio emissions raise questions about rotation

    06/28/2004 8:37:47 PM PDT · by NormsRevenge · 16 replies · 323+ views
    Bakersfield Californian ^ | 6/28/04 | AP - Pasadena
    PASADENA, Calif. (AP) - The U.S.-European Cassini spacecraft has been listening to natural radio signals from Saturn, and what it's hearing raises questions about the length of day on the ringed planet. Cassini found the rhythm of natural radio signals, regarded as the most reliable indicator of the length of day, shows a complete rotation takes 10 hours, 45 minutes and 45 seconds, plus or minus 36 seconds, NASA said in a statement Monday. That's about six minutes longer than the radio rotational period measured by the Voyager 1 and 2 spacecraft that flew by Saturn in 1980 and 1981....
  • Majestic Saturn ready for its close-up (Wed-Thu)

    06/27/2004 9:31:08 PM PDT · by NormsRevenge · 20 replies · 305+ views
    Bakersfield Californian ^ | 6/27/04 | John Antczak - AP
    PASADENA, Calif. (AP) - Two decades and $3.3 billion in the making, an international exploration of majestic Saturn begins this month when a spacecraft slips through a gap in the shimmering rings to enter orbit. Culminating a nearly seven-year, 2.2 billion-mile journey through the solar system, the Cassini spacecraft will fire its engine Wednesday night to slow down and allow itself to be captured by Saturn. The maneuver will inaugurate a four-year, 76-orbit tour of the giant planet and some of its 31 known moons, including huge Titan. To scientists, Saturn and its spectacular rings are a model of the...
  • 31 Moons, Now Close Enough to Touch

    06/14/2004 10:37:40 PM PDT · by neverdem · 23 replies · 359+ views
    NY Times ^ | June 15, 2004 | JOHN NOBLE WILFORD
    The destination is within clear view, and a beckoning sight it is. Saturn and its creamy pastel bands of thick atmosphere shimmer in pale sunlight, and the majestic rings of dust and rock set it apart from the Sun's other worlds. Dancing about in rhythmic orbits are 31 known satellites, of which the most mysterious and inviting is the planet-size Titan. After a nearly seven-year voyage from Earth, the Cassini spacecraft is fast approaching the moment that scientists have dreamed of and planned for over the better part of their careers. The spacecraft is scheduled to swing into the orbit...
  • Astronomy Picture of the Day 06-14-04

    06/14/2004 3:35:17 AM PDT · by petuniasevan · 6 replies · 345+ views
    NASA ^ | 06-14-04 | Robert Nemiroff and Jerry Bonnell
    Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2004 June 14 Unusual Layers on Saturn's Moon Phoebe Credit: Cassini Imaging Team, SSI, JPL, ESA, NASA Explanation: What caused the unusual light and dark layers on Saturn's moon Phoebe? The layers were discovered just Friday during the Cassini spacecraft flyby of the small moon. Such layering is particularly evident on the crater just above the image center, where alternating light and dark material makes this crater appear...
  • Photos of Saturn's largest moon show badly pitted surface

    06/13/2004 8:33:37 AM PDT · by kennedy · 37 replies · 1,709+ views
    Austin American Statesman ^ | June 13, 2004 | Thomas H. Maugh II
    NASA's Cassini space probe confirmed Saturday that it had completed a flyby of Saturn's largest moon, Phoebe, coming within 1,285 miles of the small, dark body. The craft's main antenna was pointing away from Earth during the flyby Friday afternoon. Engineers at the National Aeronautics and Space Administration's Jet Propulsion Laboratory in Pasadena, Calif., did not receive word of the craft's successful pass until 10:52 a.m. EDT Saturday, when the craft re-oriented itself and began transmitting pictures and data back to mission control. Most of the data and pictures will be released today, but the early unprocessed images show that...
  • Cassini spacecraft makes flyby of Saturn's largest outer moon (Phoebe)

    06/12/2004 3:11:54 PM PDT · by NormsRevenge · 29 replies · 345+ views
    Bakersfield Californian ^ | 6/12/04 | Paul Chavez - AP
    LOS ANGELES (AP) - The internationally built Cassini spacecraft successfully completed a flyby of Saturn's largest outer moon as it prepares to enter a four-year orbit to study the ringed planet, NASA officials said Saturday. The plutonium-powered spacecraft, which is carrying 12 science instruments and a probe, came within about 1,285 miles of the dark moon Phoebe on Friday, officials at the Jet Propulsion Laboratory said. The $3.3 billion spacecraft pointed its instruments at the moon then turned to point its antenna toward Earth. NASA's Deep Space Network received confirmation of communication at 7:52 a.m. PDT Saturday. Officials said the...
  • Cassini-Huygens Flyby of Phoebe (Outermost Saturn Moon) on June 11

    06/10/2004 8:39:38 AM PDT · by cogitator · 41 replies · 282+ views
    Space Daily ^ | June 10, 2004
    While the Reagan Funeral is obviously important, Cassini-Huygens must keep its designated appointment in the heavens on the National Day of Mourning: Cassini Spacecraft Near First Stop In Historic Saturn TourSaturn by Cassini and team Pasadena (JPL) Jun 10, 2004 The most complex interplanetary mission ever launched is about to meet one of the solar system's enigmatic moons. Cassini will fly by Saturn's largest outer moon, Phoebe, on Friday, June 11. The closest approach is at approximately 1:56 p.m. Pacific Time, just 19 days before Saturn arrival. A final trajectory correction maneuver is scheduled for June 16. On arrival date,...
  • Cassini CHAT now Online and available... IRC (freenode.net)

    06/09/2004 1:40:56 PM PDT · by Pandelirium · 3 replies · 430+ views
    Cassini CHAT online on IRC (freenode) The Cassini Chat has been activated and is now available without password to the public. Anyone interested in the discussion should log-in to the irc.freenode.net servers and point your chat-client to the #cassini room. There you will find some of the people involved with the project, many very knowledgable people involved in other space projects, as well as those interested in these endeavours ...(like you). We also moderate the Mars Rover chat as well which is located in the #maestro room. Maestro is the free 'public-outreach' software based on the actual program that JPL...