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First Person -- Dr. Kevin Grazier

Kevin Grazier
Published: March 28, 2005

Get an inside view of NASA's Cassini mission to Saturn with JPL's Dr. Kevin Grazier, who also discusses his career covering science fact and fiction.

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Saturn's moon Prometheus casts a shadow near a streamer-channel created by the moon in the thin F ring in this image taken about a month after the planet's August 2009 equinox.
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Saturn's moon Prometheus casts a shadow near a streamer-channel created by the moon in the thin F ring in this image taken about a month after the planet's August 2009 equinox.
Shadow Between the Shepherds
These images from NASA's Dawn spacecraft show the Domitia crater in Vesta's northern hemisphere and the topography of the surrounding region, which includes the 'Snowman' craters.
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Topography and Albedo Image of Domitia Crater
Topography and Albedo Image of Domitia Crater
This anaglyph made from images captured by NASA’s Cassini spacecraft shows a dramatic, 3-D view of one of the deep fractures nicknamed "tiger stripes" on Saturn’s moon Enceladus. The fractures, whi...
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This anaglyph made from images captured by NASA’s Cassini spacecraft shows a dramatic, 3-D view of one of the deep fractures nicknamed "tiger stripes" on Saturn’s moon Enceladus.
Baghdad Sulcus in 3-D
This mosaic from the Descent Imager/Spectral Radiometer camera on the European Space Agency's Huygens probe combines 17 image triplets, projected from an altitude of 800 meters (2,625 feet). The ar...
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A mosaic of Titan's surface
Huygens Titan Mosaic #2
Blue Saturn March 19, 2004 Full-Res: PIA05383 Bands and spots in Saturn's atmosphere, including a dark band south of the equator ...
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Saturn Through the Blue Filter
Saturn Through the Blue Filter
This image shows Saturn's moon Tethys partially occulting the moon Dione. The difference in the surface brightness of the two moons is immediately apparent. The diameter of Tethys is 1,071 kilom...
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Dione and Tethys together
Tethys Meets Dione
This image from NASA's Dawn spacecraft of asteroid Vesta shows Canuleia crater, a large, irregularly shaped crater. Other interesting features of Canuleia include the diffuse bright material that i...
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Canuleia Crater
Canuleia Crater
The moon Tethys cruises past, in front of Saturn's edge-on rings. The rings cast threadlike shadows onto the northern hemisphere of the planet. The large crater Odysseus can be seen on the eastern...
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Tethys and Saturn's rings
Tethys Walks the Line
In this dramatic Cassini mural, the mythological Roman god Saturn is represented as the symbol of Time, drawing back a veil to allow the Cassini spacecraft to reveal the mysteries of the vast Satur...
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Cassini Mural
Cassini Mural
This image of was obtained by NASA's Dawn spacecraft on May 30, 2018 from an altitude of about 420 miles (675 kilometers). Ejecta from Haulani Crater can be seen on the right side of the image.
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West of Haulani Crater
West of Haulani Crater
This is a highly detailed look at the feathery, wavelike patterns in the cloud bands of Saturn's southern hemisphere. Near the center, long filaments wrap around a swirling vortex. Notable is the e...
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black and white image of saturn showing cloud swirls and details
Feathery Belts and Zones
Artist's concept of DART mission.
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diagram of a spacecraft impacting the smaller of two asteroids
The DART Mission
Bright puffs and ribbons of cloud drift lazily through Saturn's murky skies. In contrast to the bold red, orange and white clouds of Jupiter, Saturn's clouds are overlain by a thick layer of haze. ...
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Saturn
Deep Clouds
Saturn's moon Daphnis raises waves wherever it goes. In fact, such waves are one way that scientists search for undiscovered moons in the ring gaps. 
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Saturn's rings
Watching the Wavemaker
Northern craters line the crescent of Enceladus. This image is part of an observation designed to view the moon's plume of icy particles at a moderately high phase angle. Phase angle is the angle ...
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Enceladus
Just a Phase
This artist's concept shows a glowing patch of ultraviolet light near Saturn's north pole that occurs at the "footprint" of the magnetic connection between Saturn and its moon Enceladus. The footpr...
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This artist's concept shows the magnetic connection between Saturn and its moon Enceladus
Electrical Circuit Between Saturn and Enceladus
In this image from NASA's Dawn spacecraft, a number of small dark areas, mostly clustered in the center and left of the image, are visible in asteroid Vesta's cratered landscape. A lot of these dar...
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Dark Areas in Cratered Terrain on Vesta
Dark Areas in Cratered Terrain on Vesta
This computer-generated image shows the structure of the cyclonic pattern observed over Jupiter’s south pole.
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Cyclonic patterns at Jupiter's south pole
Jupiter's Southern Exposure in Infrared
The European Space Agency has set up a special gallery for the more than 350 raw images snapped by the Huygens probe as it descended to Titan on Jan. 14, 2005. Visit the gallery at: http://esamulti...
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Screenshot of ESA raw image gallery.
ESA Huygens Raw Image Gallery
Gazing across the ringplane, the Cassini spacecraft spots a Saturn-lit Mimas and the tiny Trojan moon Helene. Only the bright crescent on Mimas' eastern limb is lit by the Sun; the moon's night sid...
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Saturn's moons Mimas and Helene near a portion of the rings
Small Worlds of Saturn
A small ring-embedded moon coasts into view from behind shadow-draped Saturn. The rings' image is distorted near Saturn by the planet's upper atmosphere, to the right of Pan (26 kilometers, or 16 m...
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Saturn, it's rings, and the small moon Pan
Pan in View
This perspective view of Cornelia crater on the giant asteroid Vesta shows an example of 'pitted terrain,' an unexpected discovery in data returned by NASA's Dawn mission.
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Cornelia is the Pits
Cornelia is the Pits
This artist's concept shows comet Shoemaker-Levy 9 heading into Jupiter in July 1994, while its dust cloud creates a rippling wake in Jupiter's ring. The comet, as imaged by NASA's Hubble Space ...
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Artist's rendition of comet Shoemaker-Levy 9 heading into Jupiter
Comet Impact Into Jupiter
This image was taken on 2013-08-18 04:59 (PDT) and received on Earth 2013-08-19 07:47 (PDT).
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Raw image of the sun taken by Cassini
Image of Sun
This Cassini spacecraft image provides a view of the southern portion of Tethys' trailing hemisphere. Prominent features include the huge canyon, Ithaca Chasma, approximately centered in this view...
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Tethys
Icy Old Moon

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