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Cassini spacecraft spies Saturn's moon Iapetus CASSINI PHOTO RELEASE Posted: August 22, 2004 The dark material that coats one hemisphere of Saturn's moon Iapetus is very dark, as these two processed views of the same image demonstrate.
The image was taken in visible light, with the Cassini spacecraft narrow angle camera from a distance of 2.9 million kilometers (1.8 million miles) from Iapetus, and at a Sun-Iapetus-spacecraft, or phase angle of 89 degrees. The image scale is 17 kilometers (11 miles) per pixel. The image has been magnified by a factor of four to aid visibility. The Cassini-Huygens mission is a cooperative project of NASA, the European Space Agency and the Italian Space Agency. The Jet Propulsion Laboratory, a division of the California Institute of Technology in Pasadena, manages the Cassini-Huygens mission for NASA's Office of Space Science, Washington, D.C. The Cassini orbiter and its two onboard cameras, were designed, developed and assembled at JPL. The imaging team is based at the Space Science Institute, Boulder, Colo. |
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Viking patch This embroidered mission patch celebrates NASA's Viking Project which reached the Red Planet in 1976. Choose your store:U.S. - U.K. - E.U. - Worldwide  Shuttle pin  This lapel pin features the official crew emblem for the STS-121 space shuttle mission. The emblem depicts Discovery docked to the International Space Station.Choose your store:U.S. Apollo 7 DVD  For 11 days the crew of Apollo 7 fought colds while they put the Apollo spacecraft through a workout, establishing confidence in the machine what would lead directly to the bold decision to send Apollo 8 to the moon just 2 months later.Choose your store:U.S. - U.K. - E.U. - Worldwide From the NASA Archives  This three-disc DVD contains rare footage from the pioneering Gemini space missions of the 1960s and an original hour-long documentary.Choose your store:U.S. - U.K. - E.U. - Worldwide |
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A problem with the Opportunity rover's Rock Abrasion Tool is explained in detailed by JPL mission manager Chris Salvo. (4min 14sec file)
Spirit's examination of rock outcropping at Gusev Crater has yielded new clues about the history of water there, as explained by Doug Ming, a rover science team member from Johnson Space Center. (5min 59sec file)
A stunning new picture from the Mars rover Spirit taken from the hillside shows the sweeping plains of Gusev and the crater's rim on the distant horizon. Expert narration is provided by Steve Squyres, the rover lead scientist. (1min 22sec file)
Steve Squyres, the rover lead scientist, descibes Opportunity's ongoing work inside Endurance Crater and narrates new pictures that includes clouds moving across the Martian sky. (5min 50sec file)
Scientists and mission officials explain the latest findings and exploration by the Spirit and Opportunity rovers during this news conference on August 18. (49min 40sec file)