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Collection:
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NASA Cassini-Huygens Collection
Collection
NASA Cassini-Huygens Collection
Collection
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Title:
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Moons in the Night
Title
Moons in the Night
Title
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Description:
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Moons in the Night
description
Moons in the Night
Description
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Full Description:
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Sunlight makes visible the faint band called the E ring as two moons meet in the sky. Enceladus (505 kilometers, or 314 miles across) and Tethys (1,071 kilometers, or 665 miles across) appear close together in the sky in this image, but in reality, Tethys was more than 260,000 kilometers (162,000 miles) farther from the Cassini spacecraft -- greater than half the distance from Earth to the Moon. Enceladus is easy to identify by the brilliant plume of ice erupting from its south pole. Although this perspective views the night sides of both moons, the Sun is not the only source of illumination in the Saturn system. Tethys is at a fuller phase with respect to Saturn, and thus its "night side" is more fully lit than that of Enceladus. The view was acquired from a Sun-Enceladus-spacec raft, or phase, angle of 163 degrees, a viewing geometry in which the microscopic ice particles in its plume brighten substantially. The image was taken in visible light with the Cassini spacecraft narrow-angle camera on June 6, 2006 at a distance of approximately 3.9 million kilometers (2.4 million miles) from Enceladus and 4.2 million kilometers (2.6 million miles) from Tethys. Image scale is 23 kilometers (14 miles) per pixel on Enceladus and 25 kilometers (16 miles) on Tethys. 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 operations center is based at the Space Science Institute in Boulder, Colo. For more information about the Cassini-Huygens mission visit http://saturn.jpl.n…. The Cassini imaging team homepage is at http://ciclops.org. Credit: NASA/JPL/Space Science Institute
Full_Description
Sunlight makes visible the faint band called the E ring as two moons meet in the sky. Enceladus (505 kilometers, or 314 miles across) and Tethys (1,071 kilometers, or 665 miles across) appear close together in the sky in this image, but in reality, Tethys was more than 260,000 kilometers (162,000 miles) farther from the Cassini spacecraft -- greater than half the distance from Earth to the Moon. Enceladus is easy to identify by the brilliant plume of ice erupting from its south pole. Although this perspective views the night sides of both moons, the Sun is not the only source of illumination in the Saturn system. Tethys is at a fuller phase with respect to Saturn, and thus its "night side" is more fully lit than that of Enceladus. The view was acquired from a Sun-Enceladus-spacec raft, or phase, angle of 163 degrees, a viewing geometry in which the microscopic ice particles in its plume brighten substantially. The image was taken in visible light with the Cassini spacecraft narrow-angle camera on June 6, 2006 at a distance of approximately 3.9 million kilometers (2.4 million miles) from Enceladus and 4.2 million kilometers (2.6 million miles) from Tethys. Image scale is 23 kilometers (14 miles) per pixel on Enceladus and 25 kilometers (16 miles) on Tethys. 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 operations center is based at the Space Science Institute in Boulder, Colo. For more information about the Cassini-Huygens mission visit http://saturn.jpl.n…. The Cassini imaging team homepage is at http://ciclops.org. Credit: NASA/JPL/Space Science Institute Full Description
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Date:
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April 16, 2007
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Keywords:
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gallery
keywords
gallery
Keywords
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Keywords:
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images
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Keywords:
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Cassini
keywords
Cassini
Keywords
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Keywords:
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mission
keywords
mission
Keywords
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Keywords:
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Huygens
keywords
Huygens
Keywords
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Keywords:
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probe
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Keywords:
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Saturn
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Keywords:
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explore
keywords
explore
Keywords
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Keywords:
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videos
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Keywords:
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movies
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Keywords:
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Jupiter
keywords
Jupiter
Keywords
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Keywords:
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flyby
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Keywords:
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spacecraft
keywords
spacecraft
Keywords
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Keywords:
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assembly
keywords
assembly
Keywords
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Keywords:
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launch
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Keywords:
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flight
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Keywords:
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operations facilities
keywords
operations facilities
Keywords
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Keywords:
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mpeg
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Keywords:
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Quicktime
keywords
Quicktime
Keywords
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facet_what:
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Saturn
facet_what
Saturn
facet_what
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facet_what:
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Cassini
facet_what
Cassini
facet_what
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facet_what:
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Jupiter
facet_what
Jupiter
facet_what
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facet_what:
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Cassini-Huygens
facet_what
Cassini-Huygens
facet_what
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facet_what:
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Earth
facet_what
Earth
facet_what
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facet_what:
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Huygens Probe
facet_what
Huygens Probe
facet_what
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facet_what:
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Moon
facet_what
Moon
facet_what
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facet_what:
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Cassini Orbiter
facet_what
Cassini Orbiter
facet_what
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facet_what:
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Sun
facet_what
Sun
facet_what
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facet_what:
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Visible Light
facet_what
Visible Light
facet_what
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facet_what:
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Tethys
facet_what
Tethys
facet_what
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facet_what:
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Enceladus
facet_what
Enceladus
facet_what
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facet_where:
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Saturn
facet_where
Saturn
facet_where
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facet_where:
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Jupiter
facet_where
Jupiter
facet_where
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facet_where:
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Jet Propulsion Laboratory
facet_where
Jet Propulsion Laboratory
facet_where
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facet_where:
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California
facet_where
California
facet_where
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facet_where:
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Washington
facet_where
Washington
facet_where
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facet_where:
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Tethys
facet_where
Tethys
facet_where
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facet_where:
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Enceladus
facet_where
Enceladus
facet_where
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facet_where:
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Jet Propulsion Laboratory (JPL)
facet_where
Jet Propulsion Laboratory (JPL)
facet_where
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facet_where:
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Washington, D.C.
facet_where
Washington, D.C.
facet_where
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facet_when:
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June 6, 2006
facet_when
June 6, 2006
facet_when
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facet_when:
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April 16, 2007
facet_when
April 16, 2007
facet_when
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facet_when_year:
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2006
facet_when_year
2006
facet_when_year
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facet_when_year:
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2007
facet_when_year
2007
facet_when_year
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UID:
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SPD-SATRN-2573
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original url:
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original_url
original url
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