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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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Across the expanse of Saturn's rings, the Cassini spacecraft spies two small moons in consort. Atlas (32 kilometers, or 20 miles across) is seen exterior to the bright outer edge of the A ring. Da...
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Saturn's rings and two small moons: Atlas and Daphnis
Ring Moon Rendezvous
Anaglyph Image of Vesta's Southwestern Latitudes
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Anaglyph Image of Vesta's Southwestern Latitudes
Anaglyph Image of Vesta's Southwestern Latitudes
As soon as she arrives home from work, Elisabetta Bonora navigates to the raw images section of the Cassini's website, and she starts to peruse the latest arrivals.
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Saturn, Rhea and Mimas by Elisabetta Bonora
Saturn, Rhea and Mimas by Elisabetta Bonora
Saturn's north pole hexagon, seen here in an image from the Cassini spacecraft, has been around for awhile. It was seen in Voyager images in the early 1980s, in ground-based telescopic images in th...
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Saturn's north pole hexagon, seen here in an image from the Cassini spacecraft.
Unveiling the Hexagon
Long streamers of cloud encircle the south polar region of Saturn. Farther poleward, or toward lower left, faint, deeper atmospheric structures lurk beneath the haze. This image was acquired from ...
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The south polar region of Saturn
Wrapped in Ribbons
The small moon Janus is illuminated by light from both the sun and Saturn. This view looks toward the south pole of Janus (179 kilometers, or 111 miles across) which lies on the terminator just be...
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Janus
Two Lights on Two-faced Janus
Although Epimetheus appears to be orbiting between the A and F rings in this image, it's just an illusion! Epimetheus, which orbits Saturn well outside of the F ring's orbit, is actually on the nea...
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Epimetheus and Saturn's rings
Going Rogue?
The Huygens probe is installed into the Cassini orbiter in the Payload Hazardous Servicing Facility at the Kennedy Space Center in July 1997.
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Huygens in the Payload Hazardous Servicing Facility
Probe at KSC
This extreme false-color view of Hyperion shows color variation across the impact-blasted surface of the tumbling moon. To create this false-color view, ultraviolet, green and infrared images were...
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False-color view of Hyperion
Eroded Moon
This image (N00156640.jpg) was taken on July 05, 2010 and received on Earth July 06, 2010. The camera was pointing toward DAPHNIS, and the image was taken using the BL1 and CL2 filters. This image ...
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Daphnis and Saturn's rings
Daphnis Raw Image No. 2
This astronaut photograph, taken from the International Space Station while over China (approximately 400 kilometers to the northwest of Beijing), provides the unusual perspective of looking down o...
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This astronaut photograph, taken from the International Space Station while over China (approximately 400 kilometers to the northwest of Beijing), provides the unusual perspective of looking down on a meteor as it passes through the atmosphere.
Looking Down on a Shooting Star
The Cassini spacecraft captures Janus in the foreground, with Dione in the distance beyond. The image was taken two hours after Hiding Dione, in which Cassini imaged Dione beyond the rings. Janus...
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Janus and Dione
Stepping Stone to Dione
The Cassini spacecraft observes three of Saturn's moons set against the darkened night side of the planet. Saturn is present on the left this image but is too dark to see. Rhea (1,528 kilometers, ...
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Rhea, Dione and Enceladus - set against the darkened night side of Saturn
Bright Moons
+ View Movie The 60th moon of Saturn reveals itself in a sequence of images. The discovery suggests that the new moon, along with its neighbors Methone and Pallene (discovered by the Cassini imagi...
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The 60th moon of Saturn, S/2007 S4, reveals itself in a sequence of images
Sixty for Saturn
The Cassini spacecraft captures a gathering of three moons near the rings' outer edge as the icy worlds dutifully march about Saturn. Tethys (1,071 kilometers, or 665 miles across) hangs in front ...
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Tethys, Rhea and Pandora at the outer edge of the F ring
Parade of Moons
Engineers work on Cassini in the Payload Hazardous Servicing Facility at NASA's Kennedy Space Center.
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Four men working on a spacecraft.
Making Adjustments
Pitted Terrain in Color
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Pitted Terrain in Color
Pitted Terrain in Color
This mosaic of images from NASA’s Cassini spacecraft shows three fan-like structures in Saturn's tenuous F ring. Such "fans" suggest the existence of additional objects in the F ring. From right...
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This mosaic of images shows three fan-like structures in Saturn's tenuous F ring.
Multiple F-Ring 'Fans'
Lanes of Air October 5, 2004 Full-Res: PIA06491 This Cassini image shows mesmerizing detail in the swirls and ribbons of air in Satur...
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Lanes of Air
Lanes of Air
Dawn Survey Orbit Image 47
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Dawn Survey Orbit Image 47
Dawn Survey Orbit Image 47
This composite image of Earth and its moon, as seen from Mars, combines the best Earth image with the best moon image from four sets of images acquired on Nov. 20, 2016, by the High Resolution Imag...
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This composite image of Earth and its moon, as seen from Mars, combines the best Earth image with the best moon image from four sets of images acquired on Nov. 20, 2016, by the High Resolution Imaging Science Experiment (HiRISE) camera on NASA's Mars Reconnaissance Orbiter.
Earth and Its Moon, as Seen From Mars
The familiar banded appearance of Jupiter at low and middle latitudes gradually gives way to a more mottled appearance at high latitudes in this striking true color image taken Dec. 13, 2000, by ...
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High Latitudes
High Latitudes
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
Saturn's moons Helene and tiny Polydeuces (not seen here) are Trojan moons of Dione, orbiting about 60 degrees ahead of and behind, the much larger moon. Trojan moons are found near gravitationall...
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Saturn's moons Helene
Helene from Afar
Occator Crater on Ceres' Limb -- Short Exposure
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Occator Crater on Ceres' Limb -- Short Exposure
Occator Crater on Ceres' Limb -- Short Exposure

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