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April 2007 Top Stories


Hubble Movie:  Saturn aand Rings Tipped Edge-on Toward Earth »» Hubble Movie: Saturn aand Rings Tipped Edge-on Toward Earth

[Sunday, April 1, 2007] This time-lapse sequence shows the moons Titan and Tethys orbiting Saturn when the planet's rings were tilted nearly edge-on toward Earth. This edge-on alignment happens once every 15 years.

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Hubble Movie: Saturn's Rings at Maximum Tilt »» Hubble Movie: Saturn's Rings at Maximum Tilt

[Sunday, April 1, 2007] In March 2003, Saturn's rings were at maximum tilt toward Earth, a special event occurring every 15 years. With the rings fully tilted, astronomers get the best views of the planet's Southern Hemisphere.

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Hubble Movie: Saturn and Rings Tilted Edge-on Toward the Sun »» Hubble Movie: Saturn and Rings Tilted Edge-on Toward the Sun

[Sunday, April 1, 2007] This time-lapse movie shows the icy moons Mimas, Enceladus, Dione, and Tethys rounding Saturn when the planet's rings were tilted nearly edge-on toward the Sun. This edge-on alignment occurs once every 15 years.

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Circumpolar Bands »» Circumpolar Bands

[Monday, April 2, 2007] The rapidly rotating clouds above Titan's northernmost latitudes stretch into streaks that circumscribe the pole. The ultraviolet spectral filter used to take this image allows the Cassini spacecraft to view the moon's stratosphere.

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Atlas and the F Ring »» Atlas and the F Ring

[Monday, April 2, 2007] The Cassini spacecraft gazes toward the multiple strands of the ever-changing F ring, also sighting Atlas at its station just beyond the A ring edge.

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NASA Voyager Mission Operations Status Report Week Ending January 12, 2007 »» NASA Voyager Mission Operations Status Report Week Ending January 12, 2007

[Tuesday, April 3, 2007] Science instrument performance for both spacecraft was nominal for all activities during this period. Voyager 1 is 9,496,000,000 miles (15,283,000,000 km) from Earth and Voyager 2 is 7,671,000,000 miles (12,346,000,000 km) from Earth.

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NASA Cassini Significant Events  for 03/28/07 - 04/03/07 »» NASA Cassini Significant Events for 03/28/07 - 04/03/07

[Friday, April 6, 2007] The most recent spacecraft telemetry was acquired on Tuesday, April 3, from the Goldstone tracking complex. The Cassini spacecraft is in an excellent state of health and all subsystems are operating normally.

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Classic Appeal »» Classic Appeal

[Friday, April 6, 2007] This infrared view from high above Saturn's ringplane highlights the contrast in the cloud bands, the dimly glowing rings and their shadows on the gas giant planet. The overall effect is stirring.

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A Ring Waves »» A Ring Waves

[Friday, April 6, 2007] This Cassini spacecraft view shows details of Saturn's outer A ring, including the Encke and Keeler gaps. The A ring brightens substantially outside the Keeler Gap.

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Cassini Significant Events  for 04/11/07 - 04/17/07 »» Cassini Significant Events for 04/11/07 - 04/17/07

[Friday, April 20, 2007] The most recent spacecraft telemetry was acquired on Tuesday, April 17, from the Madrid tracking complex. The Cassini spacecraft is in an excellent state of health and all subsystems are operating normally.

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Cassini Image: Looking Up »» Cassini Image: Looking Up

[Sunday, April 22, 2007] The Cassini spacecraft gazes upward at the face of giant Saturn, seeing beyond the equator to where ring shadows fall across the bluish northern latitudes.

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Dione Close Up »» Dione Close Up

[Wednesday, April 25, 2007] This image was taken on April 24, 2007 and received on Earth April 25, 2007. The camera was pointing toward Dione at approximately 107,675 kilometers away.

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Dione Close Up (2) »» Dione Close Up (2)

[Wednesday, April 25, 2007] This image was taken on April 24, 2007 and received on Earth April 25, 2007. The camera was pointing toward Dione at approximately 108,106 kilometers away.

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Enceladus' Plume »» Enceladus' Plume

[Wednesday, April 25, 2007] This image was taken on April 24, 2007 and received on Earth April 25, 2007. The camera was pointing toward Enceladus at approximately 189,299 kilometers away.

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The Gap Moons »» The Gap Moons

[Wednesday, April 25, 2007] Saturn's ring-embedded moons, Pan and Daphnis, are captured in a single Cassini spacecraft narrow-angle frame in an alignment they repeat with the regularity of a precise cosmic clock.

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Northern View of Titan »» Northern View of Titan

[Wednesday, April 25, 2007] From high above Titan's northern hemisphere, the Cassini spacecraft takes an oblique view toward the mid-latitude dark regions that gird the giant moon. The view looks toward terrain centered at 45 degrees north latitude on Titan 5,150 kilometers across.

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Daphnis' Signature »» Daphnis' Signature

[Wednesday, April 25, 2007] The presence of the tiny ring moon Daphnis is betrayed by the edge waves it creates in the Keeler gap. The gap is a narrow lane, about 42 kilometers (26 miles) wide, in Saturn's outer A ring.

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Cassini Significant Events  for 04/18/07 - 04/24/07 »» Cassini Significant Events for 04/18/07 - 04/24/07

[Saturday, April 28, 2007] The most recent spacecraft telemetry was acquired on Tuesday, April 24, from the Goldstone tracking complex. The Cassini spacecraft is in an excellent state of health and all subsystems are operating normally.

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