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Add Image to Favorite List 2004-04-15 Saturn Cassini-Huygens
ISS - Narrow Angle
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NASA's Cassini has sighted Prometheus and Pandora, the two F-ring-shepherding moons whose unpredictable orbits both fascinate scientists and wreak havoc on the F ring.
PIA05387:
Prometheus and Pandora
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Add Image to Favorite List 2004-05-24 Saturn Cassini-Huygens
ISS - Narrow Angle
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This image from NASA's Cassini-Huygens spacecraft shows two of Saturn's moons, Prometheus (102 kilometers, or 63 miles across) and Pandora (84 kilometers, or 52 miles across), shepherding the planet's narrow F-ring.
PIA05393:
Pandora and Prometheus Near F Ring
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Add Image to Favorite List 2004-06-07 Saturn Cassini-Huygens
ISS - Narrow Angle
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This image captured by NASA's Cassini spacecraft shows Saturn's moon Prometheus orbiting inside the planet's F-ring, which exhibits some of the knotted structure for which it is renowned.
PIA05402:
Prometheus and Knots in the F Ring
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Add Image to Favorite List 2004-06-21 Saturn Cassini-Huygens
ISS - Narrow Angle
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Saturn's magnificent rings show some of their intricate structure in this image taken on May 11, 2004, by NASA's Cassini spacecraft's narrow angle camera.
PIA05410:
Rings and Moons
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Add Image to Favorite List 2004-06-29 Saturn Cassini-Huygens
ISS - Narrow Angle
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Saturn's peaceful beauty invites NASA's Cassini spacecraft for a closer look in this natural color view, taken during the spacecraft's approach to the planet.
PIA06077:
Ringworld Waiting
Full Resolution:     TIFF (1.871 MB)     JPEG (74.84 kB)
Add Image to Favorite List 2004-06-30 Atlas Cassini-Huygens
ISS - Narrow Angle
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NASA's Cassini spacecraft has sighted the tiny moon Atlas, which is seen here for the first time since Voyager 1 flew past Saturn in 1980.
PIA06076:
Atlas Found! Animation Icon
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Add Image to Favorite List 2004-07-02 Saturn Cassini-Huygens
ISS - Narrow Angle
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This image taken by the narrow angle camera on NASA's Cassini spacecraft shows Saturn's F ring.
PIA06351:
Streaming F Ring
Full Resolution:     TIFF (109.2 kB)     JPEG (17.61 kB)
Add Image to Favorite List 2004-07-16 Saturn Cassini-Huygens
ISS - Narrow Angle
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This image captured by NASA's Cassini spacecraft shows a dramatic view of Saturn's rings draped by the shadow of Saturn.
PIA05417:
Rings and More Rings
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Add Image to Favorite List 2004-08-19 Saturn Cassini-Huygens
ISS - Narrow Angle
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Saturn and its rings are prominently shown in this color image, along with three of Saturn's smaller moons. This image was taken on June 18, 2004, with NASA's Cassini spacecraft's narrow angle camera, 8.2 million kilometers from Saturn.
PIA06422:
Pretty in Pink
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Add Image to Favorite List 2004-09-21 Prometheus Cassini-Huygens
ISS - Narrow Angle
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This image captured by NASA's Cassini spacecraft shows Saturn's moon Prometheus shepherding the inner edge of Saturn's F ring.
PIA06481:
Herding the Rings
Full Resolution:     TIFF (125.4 kB)     JPEG (12.24 kB)
Add Image to Favorite List 2004-11-17 S Rings Cassini-Huygens
ISS - Narrow Angle
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Saturn hosts its own miniature solar system, with an entourage of more than 30 moons. This image from NASA's Cassini spacecraft shows Saturn's A and F rings.
PIA06522:
Atlas, Pandora and Janus
Full Resolution:     TIFF (232.2 kB)     JPEG (26.16 kB)
Add Image to Favorite List 2004-12-03 Prometheus Cassini-Huygens
ISS - Narrow Angle
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As it completed its first orbit of Saturn, NASA's Cassini spacecraft zoomed in on the rings to catch this wondrous view of the shepherd moon Prometheus working its influence on the multi-stranded and kinked F ring.
PIA06143:
Thieving Moon
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Add Image to Favorite List 2005-01-17 Saturn Cassini-Huygens
ISS - Narrow Angle
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This frame from a movie, showing six of Saturn's small ring-region moons as they raced around the planet, was made from images taken by NASA's Cassini spacecraft on Nov. 15, 2004.
PIA06174:
Race of the Moons Animation Icon
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Add Image to Favorite List 2005-02-17 Saturn Cassini-Huygens
ISS - Narrow Angle
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The oddball shapes of Saturn's small ring moons Prometheus and Epimetheus are discernible in this image from NASA's Cassini spacecraft.
PIA06587:
Irregular Pair
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Add Image to Favorite List 2005-03-08 Saturn Cassini-Huygens
ISS - Narrow Angle
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This image captured by NASA's Cassini spacecraft shows intriguing features resembling drapes and kinks, which are visible in this view of Saturn's thin F ring.
PIA06600:
In the Moon's Wake
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Add Image to Favorite List 2005-03-30 Prometheus Cassini-Huygens
ISS - Narrow Angle
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This sweeping view from NASA's Cassini spacecraft gives a sense of the awesome scale of the planet's disk-like ring system, which stretches far into the distance. The shepherd moon Prometheus maintains a lonely sojourn with the thin, outer F ring.
PIA06616:
I Can See for Miles and Miles
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Add Image to Favorite List 2005-06-15 Saturn Cassini-Huygens
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Saturn's atmosphere is essentially transparent at wavelengths visible to the human eye, but when the view through the atmosphere is oblique. This image was taken in visible light with NASA's Cassini spacecraft's narrow-angle camera.
PIA07521:
Funhouse Atmosphere
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Add Image to Favorite List 2005-06-16 S Rings Cassini-Huygens
ISS - Narrow Angle
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This montage of four images of Saturn's knotted F ring shows different locations around the ring, even though all taken within a few hours of each other. These images were taken in visible light with NASA's Cassini spacecraft's narrow-angle camera.
PIA07522:
Four Views of the F Ring
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Add Image to Favorite List 2005-07-12 Prometheus Cassini-Huygens
ISS - Narrow Angle
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Saturn's moon Prometheus is seen here emerging from the darkness of Saturn's shadow. This image was taken in visible light with NASA's Cassini spacecraft's narrow-angle camera, at a distance of approximately 2.1 million kilometers from Saturn.
PIA07540:
Solar Eclipses…Daily
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Add Image to Favorite List 2005-07-13 Prometheus Cassini-Huygens
ISS - Narrow Angle
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Saturn's shepherd moon Prometheus hovers between the A and F rings as if suspended on an invisible thread, while bright clouds drift in Saturn's atmosphere approximately 130,000 kilometers beyond. This image was captured by NASA's Cassini spacecraft.
PIA07541:
Shepherd of Ice
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Add Image to Favorite List 2005-07-18 S Rings Cassini-Huygens
ISS - Narrow Angle
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Saturn's moons Prometheus and Pandora are captured here in a single image from NASA's Cassini spacecraft, taken from less than a degree above the dark side of Saturn's rings.
PIA07544:
F Ring Shepherds
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Add Image to Favorite List 2005-07-22 Prometheus Cassini-Huygens
ISS - Narrow Angle
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NASA's Cassini spacecraft peers through the icy particles that comprise Saturn's rings as Prometheus sits perched on the planet's limb (edge).
PIA07548:
Prometheus On the Edge
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Add Image to Favorite List 2005-07-25 Prometheus Cassini-Huygens
ISS - Narrow Angle
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Saturn's shepherd moon Prometheus reveals its elongated, irregular form to NASA's Cassini spacecraft in this image. The moon's long axis points toward Saturn.
PIA07549:
Lumpy Prometheus
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Add Image to Favorite List 2005-08-05 S Rings Cassini-Huygens
ISS - Narrow Angle
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These views from NASA's Cassini spacecraft, taken two hours apart, demonstrate the dramatic variability in the structure of Saturn's intriguing F ring.
PIA07558:
Two F Ring Views
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Add Image to Favorite List 2005-09-05 S Rings Cassini-Huygens
ISS - Narrow Angle
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From just outside the faint edge of Saturn's F ring, the moon Pandora keeps watch over her fine-grained flock as seen by NASA's Cassini orbiter.
PIA07579:
Keeping Things in Check
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Add Image to Favorite List 2005-09-05 S Rings Cassini-Huygens
ISS - Narrow Angle
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This frame from a movie sequence from NASA's Cassini spacecraft shows dark drapes in the inner strands of Saturn's F ring caused by the gravitational influence of the shepherd moon Prometheus (102 kilometers, or 63 miles across).
PIA07712:
Shaping the Drapes Animation Icon
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Add Image to Favorite List 2005-09-05 S Rings Cassini-Huygens
ISS - Narrow Angle
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This montage of four enhanced NASA Cassini narrow-angle camera images shows bright clump-like features at different locations within the F ring.
PIA07716:
The Clump/Moon Mystery
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Add Image to Favorite List 2005-09-08 Prometheus Cassini-Huygens
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Prometheus has just passed and gravitationally disturbed some of the fine particulate material in the F ring, creating the sheared gap visible in the inner strands of the ring. The image was taken with NASA's Cassini spacecraft's narrow-angle camera.
PIA07582:
Passing Lane
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Add Image to Favorite List 2005-09-30 S Rings Cassini-Huygens
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NASA's Cassini spacecraft looks up from beneath the ringplane to spot Prometheus and Atlas orbiting between Saturn's A and F rings. Prometheus is 102 kilometers (63 miles) across. Atlas is 20 kilometers (12 miles) across.
PIA07598:
The In-Between Moons
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Add Image to Favorite List 2005-10-05 Prometheus Cassini-Huygens
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Prometheus poses here with its latest creation: a dark, diagonal gore in the tenuous material interior to Saturn's F ring. This image was taken in visible light with NASA's Cassini spacecraft's narrow-angle camera on Aug. 20, 2005.
PIA07601:
Drawing the Drapes
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Add Image to Favorite List 2005-10-20 Pandora Cassini-Huygens
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Saturn's moon Prometheus chases Pandora in this view from NASA's Cassini spacecraft, but the outcome of their race has already been decided by gravity. Prometheus orbits closer to Saturn and thus moves faster than does Pandora.
PIA07612:
Racing Rocks
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Add Image to Favorite List 2005-10-26 S Rings Cassini-Huygens
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This mosaic of 15 NASA Cassini images of Saturn's F ring shows how the moon Prometheus creates a gore in the ring once every 14.7 hours, as it approaches and recedes from the F ring on its eccentric orbit.
PIA07750:
The Prometheus Effect
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Add Image to Favorite List 2005-12-02 S Rings Cassini-Huygens
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In a rare moment, NASA's Cassini spacecraft captured this enduring portrait of a near-alignment of four of Saturn's restless moons. Timing is critical when trying to capture a view of multiple bodies, like this one.
PIA07644:
When Moons Align
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Add Image to Favorite List 2007-11-29 S Rings Cassini-Huygens
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Seen here is the end result of the process that occurs every time the moon Prometheus closely approaches Saturn's F ring. This image was taken in visible light with NASA's Cassini spacecraft's narrow-angle camera on Oct. 25, 2007.
PIA09782:
Gores in the Strands
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Add Image to Favorite List 2005-12-15 S Rings Cassini-Huygens
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This spectacular image captured by NASA's Cassini spacecraft shows Prometheus (at right) and Pandora (at left), with their flock of icy ring particles (the F ring) between them.
PIA07653:
Close to the Shepherd Moons
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Add Image to Favorite List 2006-01-24 Prometheus Cassini-Huygens
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Saturn's ring moon Prometheus continues its work shaping the delicate F ring as Dione looks on. The image was taken in visible light with NASA's Cassini spacecraft's narrow-angle camera on Dec. 20, 2005.
PIA07681:
Prometheus with Distant Dione
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Add Image to Favorite List 2006-06-05 S Rings Cassini-Huygens
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Saturn's moons Janus and Prometheus look close enough to touch in this stunningly detailed view in this image taken by NASA's Cassini spacecraft.
PIA08192:
So Close…
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Add Image to Favorite List 2006-08-16 S Rings Cassini-Huygens
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Tiny, dust-sized particles in Saturn's rings become much easier to see at high phase angle -- the angle formed by the Sun, the rings and the spacecraft. The brightest ring is the F ring as seen by NASA's Cassini spacecraft.
PIA08244:
Janus Hides in Plain Sight
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Add Image to Favorite List 2006-09-05 S Rings Cassini-Huygens
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This image from NASA's Cassini spacecraft shows the clumpy disturbed appearance of the brilliant F ring. The irregular structure of the ring is due to the gravitational perturbations on the ring material by one of Saturn's moons, Prometheus.
PIA08259:
Disturbances by Prometheus
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Add Image to Favorite List 2006-09-08 S Rings Cassini-Huygens
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Prometheus zooms across NASA's Cassini spacecraft's field of view, attended by faint streamers and deep gores in the F ring. This frame from a movie sequence of five images shows the F ring shepherd moon shaping the ring's inner edge.
PIA08262:
The Ring Sculptor Animation Icon
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Add Image to Favorite List 2006-11-06 Prometheus Cassini-Huygens
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NASA's Cassini spacecraft spied Saturn's shepherd moon, Prometheus, with two long streamers of material that it has pulled out of the F ring. When Prometheus comes close to the F ring in its orbit, the moon's gravity tugs on the ring particles.
PIA08303:
The Hand of Prometheus
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Add Image to Favorite List 2006-11-16 Prometheus Cassini-Huygens
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This view from NASA's Cassini spacecraft shows Saturn's shepherd moon Prometheus with a streamer it has created in the inner edge of the F ring. Prometheus comes close to the inner edge of the ring once per orbit, perturbing the ring particles there.
PIA08311:
Toying with Gravity
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Add Image to Favorite List 2006-12-29 S Rings Cassini-Huygens
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A close-up of the F ring shows dark gores in its interior faint ringlets following the passage of Prometheus. Each gore represents a single interaction of the moon with the F ring material as seen by NASA's Cassini spacecraft.
PIA08843:
Stretching the Gores
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Add Image to Favorite List 2007-01-02 S Rings Cassini-Huygens
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The striated appearance of the F ring is immediately apparent in the region of the ring that trails behind the moon Prometheus as seen by NASA's Cassini spacecraft.
PIA08845:
The "Gore-y" Details
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Add Image to Favorite List 2007-01-08 S Rings Cassini-Huygens
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Prometheus dips into the inner F ring at its farthest point from Saturn in its orbit, creating a dark gore and a corresponding bright streamer as seen by NASA's Cassini spacecraft.
PIA08849:
Act of Creation
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Add Image to Favorite List 2007-03-28 Prometheus Cassini-Huygens
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Saturn's shepherd moon Prometheus draws material from the F ring along an invisible thread of gravity. Near lower left is an identical feature the moon created on a previous pass near the ring as seen by NASA's Cassini spacecraft.
PIA08916:
Moon at Work
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Add Image to Favorite List 2007-04-04 Prometheus Cassini-Huygens
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Saturn's shepherd moon Prometheus draws a fresh streamer of material from the F ring as it passes the ring's interior edge as seen by NASA's Cassini spacecraft.
PIA08910:
Streamer Genesis
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The oblong form of Saturn's shepherd moon Prometheus glides by, trailing behind it wiggles in Saturn's ribbon-like F ring as seen by NASA's Cassini spacecraft.
PIA08914:
The Perturber
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The shepherd moon Prometheus is lit partly by reflected light from Saturn as it lurks near the heavily perturbed F ring as seen by NASA's Cassini spacecraft.
PIA08918:
Shifting Strands
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Prometheus speeds ahead of two dark gores in the F ring's inner edge. The ring's bright core swerves and twirls in its wake as seen by NASA's Cassini spacecraft.
PIA08922:
Ahead of the Pack
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Add Image to Favorite List 2007-05-21 S Rings Cassini-Huygens
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The F ring shepherd moon Prometheus touches the face of Saturn once more before moving off into blackness and continuing in its orbit. Images were obtained by NASA's Cassini spacecraft's narrow-angle camera on April 13, 2007.
PIA08944:
Prometheus Makes Contact
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Add Image to Favorite List 2007-05-24 S Rings Cassini-Huygens
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Prometheus pulls away from an encounter with Saturn's F ring, leaving behind a reminder of its passage. This image was taken in visible light with NASA's Cassini spacecraft's narrow-angle camera on April 18, 2007.
PIA08947:
Hit and Run
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Add Image to Favorite List 2007-06-25 S Rings Cassini-Huygens
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NASA's Cassini spacecraft spies an intriguing bright clump in Saturn's F ring. Also of interest is the dark gash that appears to cut through the ring immediately below the clump.
PIA08969:
Object of Interest
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Add Image to Favorite List 2007-07-09 Prometheus Cassini-Huygens
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Saturn's moon Prometheus pulls material from the tortured F ring in this detailed view. The aftereffects of the moon's other recent encounters with the ring are visible above as dark channels in the inner ringlet as seen by NASA's Cassini spacecraft.
PIA08979:
Ring Herding
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The effects of three of Saturn's ring moons can be spotted in this single narrow-angle camera view captured by NASA's Cassini spacecraft.
PIA08985:
Three Meddlesome Moons
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Add Image to Favorite List 2007-07-30 S Rings Cassini-Huygens
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NASA's Cassini spacecraft spies two of the small, irregular moons that patrol the outer edges of Saturn's main rings.
PIA08994:
On Their Rounds
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Add Image to Favorite List 2007-09-28 Rhea Cassini-Huygens
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NASA's Cassini spacecraft puts the enormous distances in the Saturn system in perspective with this view of Rhea and Prometheus. This view looks toward the unilluminated side of the rings from less than a degree above the ringplane.
PIA09738:
Depth of Field
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Add Image to Favorite List 2007-10-15 Prometheus Cassini-Huygens
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The moon Prometheus slowly collides with the diffuse inner edge of Saturn's F ring in image from NASA's Cassini spacecraft. The oblong moon pulls a streamer of material from the ring and leaves behind a dark channel.
PIA08397:
Soft Collision Animation Icon
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Add Image to Favorite List 2007-12-28 S Rings Cassini-Huygens
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NASA's Cassini spacecraft caught Prometheus in the act of pulling a new streamer out of the F ring's inner edge in this image captured on Nov. 14, 2007.
PIA09803:
Sculpting the F Ring
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Add Image to Favorite List 2008-01-08 Prometheus Cassini-Huygens
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The small moon Prometheus appears from behind giant Saturn, accompanied by a warped view of the rings in this image captured by NASA's Cassini spacecraft on Nov. 30, 2007.
PIA09810:
Warp Zone
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Add Image to Favorite List 2008-01-16 S Rings Cassini-Huygens
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Prometheus and Pandora, Saturn's F-ring shepherd moons are seen in this view from NASA's Cassini spacecraft taken on Dec. 6, 2007, which also features narrow ringlets in the Encke gap at left.
PIA09816:
Ring Herders
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On Jan. 1, 2008, NASA's Cassini spacecraft viewed two dark gores in Saturn's F ring demonstrate the gravitational influence of the shepherd moon Prometheus.
PIA09834:
Gravity of the Situation
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Add Image to Favorite List 2008-02-26 S Rings Cassini-Huygens
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Two of Saturn's ring moons, Pan and Atlas, are captured in this view from NASA's Cassini spacecraft, along with the signature of another. This image was taken not long after Prometheus passed, leaving a trail of dark gores in the inner edge of the F ring.
PIA09845:
Pan in the Fast Lane
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Add Image to Favorite List 2008-02-29 S Rings Cassini-Huygens
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Saturn's F ring displays magnificent structure following the passage of Prometheus. Atlas is seen between the A and F rings, above center in this image captured by NASA's Cassini spacecraft on Jan. 23, 2008.
PIA09848:
Trailing Prometheus
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Prometheus shines brightly in this image from NASA's Cassini spacecraft, taken on Jan. 22, 2008, as part of the ongoing campaign to precisely determine the orbits of Saturn's small moons.
PIA09852:
Orbit Quest
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Add Image to Favorite List 2008-04-24 Prometheus Cassini-Huygens
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Prometheus, lit partly by direct sunlight and partly by saturnshine, pulls at material in the inner portion of the F ring. Saturnshine is reflected sunlight, often brightening the night sides of Saturn's moons in this image from NASA's Cassini spacecraft.
PIA09887:
Pulling Away
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Add Image to Favorite List 2008-05-08 S Rings Cassini-Huygens
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Two of Saturn's ring moons, Atlas and Prometheus, draw close momentarily, before the inner of the pair moves off alone in this image from NASA's Cassini spacecraft taken on Apr. 15, 2008.
PIA09897:
Moons that Pass in the Night
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Add Image to Favorite List 2008-05-12 S Rings Cassini-Huygens
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Saturn's brilliant limb shines through the semi-transparent A ring, while the outer F ring shepherd moon, Pandora, hangs against the black sky in this image from NASA's Cassini spacecraft taken on Apr. 5, 2008.
PIA09899:
The Shepherd and Saturn
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Add Image to Favorite List 2008-05-15 S Rings Cassini-Huygens
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NASA's Cassini spacecraft captured this view on Apr. 8, 2008, showing two of Saturn's moons, Daphnis and Prometheus, and their gravitational effects on nearby rings.
PIA09902:
Ringcraft
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Add Image to Favorite List 2008-05-26 Prometheus Cassini-Huygens
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On Apr. 22, 2008, NASA's Cassini spacecraft captured Saturn's moon, Prometheus, tugging icy particles from the F ring into fanciful shapes like ropes of glowing neon.
PIA09909:
The Ringsmith
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Add Image to Favorite List 2008-06-04 Prometheus Cassini-Huygens
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The flattened, potato-like form of Prometheus gliding silently within the Roche Division, between Saturn's A and F rings was captured by NASA's Cassini spacecraft on May 2, 2008.
PIA09916:
Spotting Prometheus
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Add Image to Favorite List 2010-02-19 Prometheus Cassini-Huygens
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Saturn's potato-shaped moon Prometheus is rendered in three dimensions in this close-up from NASA's Cassini spacecraft. You will need 3-D glasses to view this image.
PIA12548:
Prometheus Popping in 3-D
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Saturn's moon Prometheus pulls away from an encounter with the narrow F ring, trailing a streamer of fine, icy particles behind it in this image captured by NASA's Cassini spacecraft on May 25, 2008.
PIA10415:
Streaming Away
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A train of diagonal channels in Saturn's F ring follows behind the moon Prometheus. Atlas appears at lower right. NASA's Cassini spacecraft captured this image on July 5, 2008.
PIA10448:
F Ring Channels
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Add Image to Favorite List 2008-08-27 Prometheus Cassini-Huygens
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Brilliant Prometheus pulls at the nearby inner strand of Saturn's F ring. Gravitational tugs from Prometheus are constantly reshaping this narrow ring as seen by NASA's Cassini spacecraft.
PIA10456:
Feeling Gravity's Pull
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As Prometheus pulls away from an encounter with Saturn's F ring, its immediate effects on the ring material are clear. This image was captured by NASA's Cassini spacecraft on Aug. 6, 2008.
PIA10461:
Opening a Channel
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NASA's Cassini spacecraft tracks the shepherd moon Prometheus as it orbits Saturn in this image was captured on Aug. 9, 2008.
PIA10463:
Tracking the Shepherd
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This mosaic of two images from NASA's Cassini spacecraft, taken on Aug. 15, 2008, shows Pan and Prometheus creating features in nearby rings.
PIA10468:
Disturbing Moons
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Add Image to Favorite List 2008-10-13 S Rings Cassini-Huygens
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The gravity of Prometheus alters the orbits of the fine, icy particles in Saturn's F ring, creating dazzling structures in this image captured by NASA's Cassini spacecraft on Aug. 30, 2008.
PIA10489:
Warped F Ring
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Add Image to Favorite List 2008-11-21 S Rings Cassini-Huygens
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Saturn's ever-changing F ring appears as wisps of smoke in this image taken downstream of the shepherd moon, Prometheus in this image captured by NASA's Cassini spacecraft on Oct. 23, 2008.
PIA10518:
Smokey Ring
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NASA's Cassini spacecraft spied Saturn's moon, Prometheus, one of the F ring shepherds, orbiting between the A and F rings. The F ring shows a kink near Prometheus, due to the moon's gravitational effect.
PIA10520:
Prometheus Brings Change to the F Ring
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Two of Saturn's moons that have profound impacts on the rings, Mimas and Prometheus, are seen here with the F ring. This image was captured by NASA's Cassini spacecraft.
PIA10523:
Ring Shapers
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Add Image to Favorite List 2008-12-11 S Rings Cassini-Huygens
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Prometheus shows up bright in this image from NASA's Cassini spacecraft of the dark side of the rings. The bright band that appears above Prometheus in this image is the Cassini division separating the (very dark) B ring and the A ring.
PIA10532:
Prometheus Lurking in the Rings
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Add Image to Favorite List 2008-12-16 Prometheus Cassini-Huygens
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Prometheus emerges from Saturn's shadow in this image taken on Oct. 29, 2008 by NASA's Cassini spacecraft of the dark side of the rings.
PIA10535:
Prometheus Emerges
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Prometheus is caught here by NASA's Cassini spacecraft casting a shadow on the F ring. To the right, the F ring also shows a gore where Prometheus recently entered into the ring, scattering material out of its way.
PIA10552:
Shadows and Gores
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Add Image to Favorite List 2009-02-26 S Rings Cassini-Huygens
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Set starkly against the blackness of space are Saturn's F ring's delicate strands which are periodically gored by its shepherding moon, Prometheus, in this image from NASA's Cassini spacecraft taken on Jan. 11, 2009.
PIA10587:
Fragile F Ring
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Add Image to Favorite List 2009-03-06 S Rings Cassini-Huygens
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NASA's Cassini spacecraft snapped this image of Saturn's Prometheus and its shadow, just as the moon was creating a new streamer in the ring. This image was taken on Jan. 14, 2009.
PIA10593:
Busy Moon
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Add Image to Favorite List 2009-03-26 S Rings Cassini-Huygens
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A soft collision between Prometheus and the F ring created the dark channel goring the ring in the bottom of this image from NASA's Cassini spacecraft taken on Feb. 2, 2009.
PIA11457:
F Ring Fender Bender
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Add Image to Favorite List 2009-04-16 Prometheus Cassini-Huygens
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The fragile F ring bears the signs of a moon's bruising passage. The A ring and its Keeler Gap sit idly, while Saturn's moon Prometheus has gored the ring. This image was taken by NASA's Cassini spacecraft on March 2, 2009.
PIA11472:
Tortured Ring
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Add Image to Favorite List 2009-05-21 Prometheus Cassini-Huygens
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Saturn's moon Prometheus continues its dance with the planet's F ring, creating channels in the ring and streamers of extracted ring material as a result. This image is from NASA's Cassini spacecraft taken on April 16, 2009.
PIA11497:
Prometheus' Two-Step
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Fresh from an encounter with Saturn's F ring, the moon Prometheus continues in its orbit in this image taken by NASA's Cassini spacecraft taken on April 24, 2009.
PIA11509:
On His Merry Way
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Prometheus is seen near Saturn's tenuous F ring as the moon orbits in the Roche Division, between the F and A rings. This image is from NASA's Cassini spacecraft.
PIA11527:
Between the Lines
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Add Image to Favorite List 2009-07-08 Prometheus Cassini-Huygens
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The moon Prometheus and a bit of Saturn's northern hemisphere are both brilliantly lit by the sun here, making the A ring seem dim in comparison. This image from NASA's Cassini spacecraft.
PIA11531:
Bright Duo
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The effects of the moon Prometheus create intricate formations in Saturn's thin F ring as seen by NASA's Cassini spacecraft.
PIA11535:
Prometheus' Trail
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Add Image to Favorite List 2009-08-07 Prometheus Cassini-Huygens
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The moon Prometheus casts a shadow on the thin F ring marked with streamer-channels created by the moon in this image taken by NASA's Cassini spacecraft as Saturn approaches its August 2009 equinox.
PIA11553:
Shadow and Streamer-channels
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Add Image to Favorite List 2009-08-17 S Rings Cassini-Huygens
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Saturn's moon Janus casts a shadow on the F and A rings while the moon Prometheus, seen on the left of the image, creates a streamer-channel in the thin F ring. This image is from as seen by NASA's Cassini spacecraft.
PIA11559:
Along the F Ring
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Add Image to Favorite List 2009-08-26 Prometheus Cassini-Huygens
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The moon Prometheus casts a shadow on Saturn's F ring near a streamer-channel it has created on the ring. The image was taken by NASA's Cassini spacecraft as the planet approached its August 2009 equinox.
PIA11566:
Roche Division Shadow Caster
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Add Image to Favorite List 2009-09-28 S Rings Cassini-Huygens
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This image shows a pair of moons, Pandora and Prometheus, continuing their shepherding duties near Saturn's thin F ring as seen by NASA's Cassini spacecraft.
PIA11589:
A Pair of Shepherds
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Add Image to Favorite List 2009-10-09 S Rings Cassini-Huygens
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A scalloped look is created in the edges of the Keeler Gap in Saturn's outer A ring as the moon Daphnis orbits in the gap in this image from NASA's Cassini spacecraft taken on Feb. 25, 2009.
PIA11598:
Pulchritudinous Perturbations
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Add Image to Favorite List 2009-10-19 S Rings Cassini-Huygens
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Saturn's moons Prometheus and Pan cast a pair of shadows on the A ring in this image taken shortly after the planet's August 2009 equinox by NASA's Cassini spacecraft. The gravity of potato-shaped Prometheus creates streamer-channels in the F ring.
PIA11604:
Prometheus and Pan Pair
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