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Cassini gives four views of Saturn's strange F ring CASSINI PHOTO RELEASE Posted: June 19, 2005
For example, the number of ring strands differs from image to image. And in some images, kinks are clearly visible in the ring, while others regions appear more smooth. Astronomers believe that the structure of Saturn's F ring is governed by its shepherding moons, Prometheus (102 kilometers, or 63 miles across) and Pandora (84 kilometers, or 52 miles across). The ring's appearance is expected to vary depending on how recently a ring section has encountered each moon and how close the moon came to the ring. These images were taken in visible light with the Cassini spacecraft narrow-angle camera from below the ringplane and at distances ranging from 735,000 to 952,000 kilometers (457,000 to 592,000 miles) from Saturn. The image scale ranges from 4 to 6 kilometers (2 to 4 miles) per pixel. 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 mission for NASA's Science Mission Directorate, 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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The 18th Progress resupply ship launched to the International Space Station is guided to docking with the Zvezda service module's aft port via manual control from commander Sergei Krikalev. A problem thwarted plans for an automated linkup.
As excitement builds for the first space shuttle launch in over two years, this comprehensive video selection captures the major pre-flight events for Discovery and her seven astronauts.
Dr. Bonnie Buratti, team member of the Cassini visual and infrared mapping spectrometer, discusses a possible volcano discovered on Saturn's moon Titan. (2min 12sec file)
NASA's space-based research into how hurricanes form and move is explained in this narrated movie from the agency. (8min 02sec file)
The co-chairs and other members of the Stafford-Covey Return to Flight Task Group, which is overseeing NASA's space shuttle program, hold a news conference in Houston on June 8.
This animation shows the Voyager spacecraft heading into the solar system's final frontier and the edge of interstellar space. (1min 24sec file)
