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Day of Remembrance
NASA pays tribute to those lost while furthering the cause of exploration, including the Apollo 1, Challenger and Columbia crews, during this Day of Remembrance memorial from agency headquarters on Jan. 27. (38min 58sec file)

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Spacewalk highlights
The Expedition 10 conducts a successful spacewalk outside the International Space Station to mount a German robotic arm and Russian science package to the Zvezda service module's exterior. (5min 07sec file)
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Huygens science update
One week after the Huygens probe landed on Saturn's moon Titan, scientists hold a news conference to announce additional results and describe more pictures from the mission. (69min 02sec file)

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Giant Saturn's shadow
Posted: January 31, 2005

Now, in southern summer, Saturn's shadow stretches across the sunlit southern surface of its rings. Saturn's moon Janus orbits just outside of the main rings and appears below them in this scene. Janus is absolutely dwarfed by the bulk of its gigantic parent. Janus is 181 kilometers (113 miles) across.

Credit: NASA/JPL/Space Science Institute
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Bands of ring material within the Cassini Division are visible here, near the outer edge of the bright B ring. The planet's night side is visible at the right. This view is from Cassini's vantage point beneath the ring plane.

The image was taken in visible light with the Cassini spacecraft wide angle camera on Jan. 17, 2005, at a distance of approximately 1.2 million kilometers (746,000 miles) from Saturn. The image scale is 66 kilometers (41 miles) per pixel. Janus was brightened by a factor of two, and contrast in the scene was enhanced 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 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.