SPACE PHOTOS THIS WEEK: Tarantula Nebula, More

SPACE PHOTOS THIS WEEK: Tarantula Nebula, More
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August 7, 2008—An artist's conception portrays the dramatic August 11 flyby that brought Cassini just 30 miles (50 kilometers) from the surface of Saturn's frigid moon Enceladus.

The spacecraft's instruments were trained on the "tiger stripe" fissures near Enceladus's south pole, which spew massive geysers of icy water vapor into space.

The geysers' have stumped scientists since their 2005 discovery. Their origins remain unknown, but they've made Enceladus one of the solar system's most intriguing destinations.

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—Image by NASA/JPL
 
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