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Cassini captures Saturn's icy moon Helene

Date:
June 22, 2011
Source:
NASA/Jet Propulsion Laboratory
Summary:
NASA's Cassini spacecraft has successfully completed its second-closest encounter with Saturn's icy moon Helene, beaming down raw images of the small moon. At closest approach, on June 18, Cassini flew within 4,330 miles (6,968 kilometers) of Helene's surface. It was the second closest approach to Helene of the entire mission.

NASA's Cassini spacecraft obtained this unprocessed image of Saturn's moon Helene on June 18, 2011.
Credit: NASA/JPL-Caltech/Space Science Institute

NASA's Cassini spacecraft has successfully completed its second-closest encounter with Saturn's icy moon Helene, beaming down raw images of the small moon. At closest approach, on June 18, Cassini flew within 4,330 miles (6,968 kilometers) of Helene's surface. It was the second closest approach to Helene of the entire mission.

Cassini passed from Helene's night side to the moon's sunlit side. It also captured images of the Saturn-facing side of the moon in sunlight, a region that was only illuminated by sunlight reflected off Saturn the last time Cassini was close, in March 2010. This flyby will enable scientists to finish creating a global map of Helene, so they can better understand the history of impacts to the moon and gully-like features seen on previous flybys.

The closest Helene encounter of the mission took place on March 10, 2010, when Cassini flew within 1,131 miles (1,820 kilometers) of the moon.

The latest raw images are online at: http://saturn.jpl.nasa.gov/photos/raw/ .

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 Science Mission Directorate, Washington. 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 in Boulder, Colo.

For more information about the Cassini-Huygens mission, visit http://www.nasa.gov/cassini and http://saturn.jpl.nasa.gov .


Story Source:

The above story is based on materials provided by NASA/Jet Propulsion Laboratory. Note: Materials may be edited for content and length.


Cite This Page:

NASA/Jet Propulsion Laboratory. "Cassini captures Saturn's icy moon Helene." ScienceDaily. ScienceDaily, 22 June 2011. <www.sciencedaily.com/releases/2011/06/110622133204.htm>.
NASA/Jet Propulsion Laboratory. (2011, June 22). Cassini captures Saturn's icy moon Helene. ScienceDaily. Retrieved August 21, 2014 from www.sciencedaily.com/releases/2011/06/110622133204.htm
NASA/Jet Propulsion Laboratory. "Cassini captures Saturn's icy moon Helene." ScienceDaily. www.sciencedaily.com/releases/2011/06/110622133204.htm (accessed August 21, 2014).

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