CICLOPS: Cassini Imaging Central Laboratory for OPerationS

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Imaging Diary - Cassini

 
1/2/12
Before Wide Shadows
PIA14589
 
12/22/11
Haze Before Ice
PIA14911
 
11/7/11
A Scarred Moon
PIA14581
 
10/10/11
Pendent Pair
PIA14577
 
8/8/11
Craters Before Haze
PIA12778
 

 

 
6/6/11
Dwarfed By Gas Giant
PIA12769
 
5/23/11
Five Orbs
PIA12767
 
4/25/11
Cut Off by Shadows
PIA12763
 
1/31/11
Wisps Before Craters
PIA12751
 
10/20/10
Titan 'Rev 139' Raw Preview #4
 

 

 
10/20/10
Titan 'Rev 139' Raw Preview #3
 
9/10/10
Quartet and Crescent
PIA12718
 
8/9/10
Spokes Before Night
PIA12694
 
8/2/10
Beyond Saturn's South
PIA12689
 
7/28/10
Chasma Crescent
PIA12686
 

 

 
5/31/10
Odysseus in Profile
PIA12644
 
5/24/10
Bisected Crescent
PIA12639
 
3/26/10
Calypso Close Up
PIA12598
 
3/12/10
Epic Odysseus
PIA12588
 
3/3/10
Greek Drama
PIA12581
 

 

 
2/8/10
Satellite Companionship
PIA12544
 
1/27/10
Dwarfed Crescent
PIA12536
 
12/25/09
Stately Saturn
PIA12513
 
12/23/09
Moons in Motion
PIA11691
 
11/20/09
Scene Seen in the Near-Infrared
PIA11628
 

 

 
11/16/09
Spotlight on Penelope
PIA11624
 
10/2/09
Saturnscape After Equinox
PIA11593
 
9/30/09
Bright Penelope
PIA11591
 
9/29/09
Rings Return the Favor
PIA11590
 
9/11/09
Dione's Ring Shadow Premiere
PIA11578
 

 

 
8/24/09
Shadows Big and Small
PIA11564
 
8/13/09
Sampling Saturn and a Shadow
PIA11557
 
8/11/09
Cutting 'Cross the C Ring
PIA11555
 
8/10/09
Side by Side Shadows
PIA11554
 
7/20/09
Engulfing a Gap
PIA11539
 

 

 
6/26/09
Exposing a Shadow
PIA11523
 
6/22/09
Shadow from the Dark Side
PIA11659
 
6/5/09
Titan in Eclipse
PIA11508
 
6/2/09
A Little Off the Top
PIA11505
 
5/22/09
Shadow Slipping Through
PIA11498
 

 

 
5/19/09
Odysseus and Penelope
PIA11495
 
5/13/09
Minuscule Moon Shadow
PIA11491
 
5/8/09
Reciprocating Rings
PIA11488
 
5/1/09
Trumpeting the Equinox
PIA11483
 
4/22/09
Crater Chasm Combo
PIA11476
 

 

 
2/3/09
A Bite Out of the Moon
PIA10570
 
12/4/08
Icy Old Moon
PIA10527
 
11/13/08
Moon Spot
PIA10512
 
11/5/08
Crater and Canyon
PIA10506
 
9/2/08
Ancient Rift
PIA10460
 

 







Imaging Diary - Voyager

 
10/14/07
Saturn With Tethys and Dione
PIA00024
 
10/14/07
Saturn and its satellites Tethys, Enceladus and Mimas
PIA01383
 
10/14/07
High resolution view of Tethys
PIA01386
 
10/14/07
Pictures of Tethys' large crater
PIA01385
 
10/14/07
Photograph of Saturns' satellite Tethys
PIA01397
 

 

 
10/14/07
Saturn - large crater on Tethys
PIA01398
 
10/14/07
Saturn's moon Tethys
PIA01399
 
10/14/07
Cratered surface of Tethys
PIA01974
 
10/14/07
Saturn - Tethys from 594,000 kilometers (368,000 miles) away
PIA01392
 
10/14/07
Tethys
PIA02276
 

 

 
10/14/07
Saturn and Four Icy Moons, Enhanced Color
PIA00349
 
10/14/07
Saturn and Four Icy Moons in Natural Color
PIA00400
 
10/14/07
Saturn System Montage
PIA01482
 
10/14/07
Saturn taken from Voyager 2
PIA01364
 
10/14/07
Collage of Saturn's smaller satellites (PIA01954)
PIA01954
 

 






Newsroom - Press Releases

 
ENCELADUS AND TETHYS RAW IMAGE PREVIEW FROM CASSINI - Apr 16, 2012
 ... April, 16, 2012 ENCELADUS AND TETHYS RAW IMAGE PREVIEW FROM CASSININASA's ... of the icy moons Enceladus and Tethys during its course through the ... encounter, Cassini passed the moon Tethys with ...


 
UNUSUAL RED ARCS SPOTTED ON ICY SATURN MOON - Jul 29, 2015
 ... the surface of Saturn's icy moon Tethys in new, enhanced-color images ... to show large northern areas of Tethys under the illumination and viewing ... result of outgassing from inside Tethys. They ...


 
CASSINI'S DOUBLEHEADER FLYBYS SCORE HOME RUN - Sep 30, 2005
 ... back-to-back flybys of Saturn moons Tethys and Hyperion last weekend, coming ... than ever before to each of them. Tethys has a scarred, ancient surface, ... http://www.nasa.gov/cassini.Images of Tethys ...


 
CASSINI SHOWS GRANDEUR OF TWO SATURN MOONS - Nov 23, 2004
 ... views of Saturn's moons Titan and Tethys represent the most detailed look ... the battered and cratered moon Tethys. The result is the best-ever ... moon. As seen here, the surface of Tethys has a ...


 
CASSINI FINDS WARM CRACKS ON ENCELADUS - Nov 30, 2010
 ... Cassini swooped by the icy moon Tethys, collecting images that helped fill in gaps in the Tethys global map. Cassini's new views ...



Result Page: 1 2  Next





Newsroom - Special Events

 
Tethys 'Rev 277' Raw Preview - Jun 8, 2017
 ... his raw, unprocessed image of Tethys was taken on June 6, 2017 and ...


 
The Colors of Tethys - Jul 29, 2015
 ... the surface of Saturn's icy moon Tethys in new, enhanced-color images ...


 
Methone and Tethys Rev 166 Raw Preview - May 21, 2012
 ... of Saturn's moons Methone and Tethys on May 20, 2012.With a close-approach ... Cassini flew by the larger moon Tethys at a distance of about 34,000 ... that encounter are included here. Tethys is 660 ...


 
Enceladus and Tethys Rev 164 Raw Preview - Apr 16, 2012
 ... of Saturn's moons Enceladus and Tethys were taken on April 14, 2012, ... encounter, Cassini passed the moon Tethys with a closest approach distance ... Cassini's best imaging encounter with Tethys ...


 
Mapping Enceladus and Tethys - Nov 30, 2010
 ... released a new map of the moon Tethys. (News release can be found h ...


 
Titan Rev 139 Raw Preview - Oct 20, 2010
 ... Saturn's rings and the smaller moon Tethys are also seen here. The abrupt ...


 
Enceladus, Tethys and Dione Rev 136 Raw Preview - Aug 14, 2010
 ... taken of Saturn's moons Enceladus, Tethys and Dione on August 13, 2010 and ...


 
Tethys Flyby Raw Preview - Jun 29, 2007
 These raw, unprocessed images were taken during Cassini's close flyby of Tethys on June 27, 2007.


 
Craters and Chasms on Tethys - Sep 29, 2005
 A recent tweak to Cassini's trajectory allowed an even closer approach of 1,500 kilometers (930 miles) to the Saturnian moon, Tethys, than originally planned, and yielded unrivaled views of the icy moon’s cratered landscape and a look into the gargantuan canyon system called Ithaca Chasma.


 
Tethys Flyby Raw Preview - Sep 26, 2005
 These raw, unprocessed images were taken during Cassini's very close flyby of the icy moon Tethys on September 24, 2005.







Home - Captain's Logs

 
Spectacular Sights at 10 AU - Dec 22, 2005
 ... too is largely a cratered body. Tethys, like Iapetus, boasts enormous ... crack, Ithaca Chasm, for which Tethys is renowned is an ancient and ...


 
The Day the Earth Smiled - Nov 12, 2013
 ... and to the right of Enceladus is Tethys, a moon about a third the size ...


 
Nature's Canvas - Nov 29, 2004
 ... Enceladus, Dione, Rhea, and Tethys as never before ... mere tastes ...







Maps

 
11/4/14
Color Maps of Tethys - November 2014
PIA18439
 
11/14/12
Tethys Polar Maps - June 2012
PIA14932
 
11/14/12
Map of Tethys - June 2012
PIA14931
 
8/6/08
The Tethys Atlas
PIA11008
 
11/4/14
Color Maps of Mimas - November 2014
PIA18437
 

 






Artroom

 
1/11/10
Ithaca Chasma on Tethys
 
1/11/10
Mimas/Tethys Eclipse
 

 

 
12/30/14
Coasting Above the Rings
 
12/28/06
Saturn from the Vicinity of Dione
 

 

 
12/28/06
From Polar Orbit





Newsroom - Looking Ahead

 
Rev250 - Nov 9, 2016
 


 
Rev249 - Nov 1, 2016
 


 
Rev248 - Oct 23, 2016
 


 
Rev247 - Oct 13, 2016
 


 
Rev246 - Oct 7, 2016
 








Alliance Member Comments


Spotlight on Penelope
carolyn      
2009-11-16 15:24:20

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20Tauri and PolishBear: The reason why Tethys is so bright is BECAUSE the phase angle is near zero. All the solid, airless bodies in the solar system, even the rings, show an increase in brightness near zero phase called `the opposition surge'. (See the opposition effect on the rings in http://ciclops.org/view.php?id=3280 , and ignore the `rainbow' because that's an artifact.) It's a well known observational phenomenon and has its origin in 3 different effects. One, the roughness of the surface will not produce shadows at zero phase (or thereabouts), as it would at other phase angles, because the sun is directly behind the observer: that's what zero phase means. Second, one particle or body on the surface won't cast a shadow on its neighbors at or near zero phase, either. Third, there is something called 'coherent backscatter' which is multiple light scattering that occurs between microscopic grains on a surface that is observable very close to zero phase. The opposition effect can be seen in images taken of the Apollo astronauts of their own shadows: the surface immediately surrounding the astronaut's shadow is peculiarly bright. Anyway...more than you probably bargained for, but that is why Tethys is so bright in this nearly fully illuminated geometry.


Spotlight on Penelope
PolishBear      
2009-11-16 10:25:40

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DEAR 20TAURI: The density of Tethys is 0.97 g/cm³, indicating that it is composed almost entirely of water-ice. Its surface is one of the most reflective (at visual wavelengths) in the solar system, with a visual albedo of 1.229.


Spotlight on Penelope
20tauri      
2009-11-16 09:25:29

View all member's comments
Ooh, pretty. Seems particularly bright...does Tethys have a naturally high albedo or is that an imaging byproduct?


Saturnscape After Equinox
NeKto      
2009-10-05 11:55:27

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i like the clearly visable light demarcation on Tethys. i won't call it a terminator because i see so much illumination from Saturn shine. makes it easy to determint the Saturn side.


Saturnscape After Equinox
mipsandbips      
2009-10-04 18:17:58

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Tethys and Dione appear almost as carbon copies of each other in this view!


Shadows Big and Small
Red_dragon      
2009-08-24 13:07:17

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Simply put, amazing. Not only the geometry, but also to see stars through t he rings. And if Tethys' shadow was in the middle of the rings would be even more impressive. Although this has not much to see with Saturn, I'd be pleased if you asked me about this: we know asteroid belts as appear on sci-fi movies, etc. are innacurately represented and perhaps the closest thing to them would be Saturn's rings or the like. But what about a protoplanetary disk?. Could it look like as for example the asteroid field of "The Empire Strikes Back"?. Thanks in advance.


Sampling Saturn and a Shadow
Dragon_of_Luck_Mah_Jonng1971      
2009-08-14 18:03:17

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Tethys' shadow is very long in this picture -- that's special.


Cutting 'Cross the C Ring
Dragon_of_Luck_Mah_Jonng1971      
2009-08-14 17:28:58

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A side note: In this image the shadow of the moon Tethys's has reached the inner edge of the C ring.


Side by Side Shadows
Red_dragon      
2009-08-10 14:24:41

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Excellent image. The best is to see how the shadows of both Saturn and Tethys run parallel one to each other. After this one, this other is a must, even more than usually: http://ciclops.org/view/2563/Ring_World


Shadow from the Dark Side
Dragon_of_Luck_Mah_Jonng1971      
2009-06-23 12:04:10

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Here it appears to me that the shadow of Tethys is causing ( at least slight ) darkenings of the rings through all the swath.







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