CICLOPS: Cassini Imaging Central Laboratory for OPerationS

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Imaging Diary - Cassini

 
12/5/16
Chaos at Hyperion
PIA20512
 
6/2/15
Farewell to Hyperion
PIA17193
 
5/28/15
Hyperion 'Rev 216' Raw Preview #1
 
5/28/15
Hyperion 'Rev 216' Raw Preview #1
 
5/28/15
Hyperion 'Rev 216' Raw Preview #1
 

 

 
5/28/15
Hyperion 'Rev 216' Raw Preview #1
 
5/28/15
Hyperion 'Rev 216' Raw Preview #1
 
3/19/12
Distant Hyperion
PIA14600
 
11/21/11
Odd Hyperion
PIA14583
 
10/31/11
Spongy Hyperion
PIA14580
 

 

 
8/26/11
Hyperion 'Rev 152' Raw Preview #5
 
8/26/11
Hyperion 'Rev 152' Raw Preview #4
 
8/26/11
Hyperion 'Rev 152' Raw Preview #3
 
8/26/11
Hyperion 'Rev 152' Raw Preview #2
 
8/26/11
Hyperion 'Rev 152' Raw Preview #1
 

 

 
11/29/10
Hyperion 'Rev 141' Raw Preview #6
 
11/29/10
Hyperion 'Rev 141' Raw Preview #5
 
11/29/10
Hyperion 'Rev 141' Raw Preview #4
 
11/29/10
Hyperion 'Rev 141' Raw Preview #3
 
11/29/10
Hyperion 'Rev 141' Raw Preview #2
 

 

 
11/29/10
Hyperion 'Rev 141' Raw Preview #1
 
11/5/09
Pitted Hyperion
PIA11617
 
12/11/07
Pummeled Hyperion
PIA09790
 
5/15/07
Pitted Hyperion
PIA08940
 
3/26/07
Unusual Hyperion
PIA08904
 

 

 
12/29/06
Multicolor Hyperion
PIA08349
 
11/14/06
Hyperion's Pitted Surface
PIA08309
 
2/3/06
Rough and Tumble Hyperion
PIA07683
 
12/6/05
Color Variation on Hyperion
PIA07768
 
9/29/05
Flight to Hyperion
PIA07742
 

 

 
9/29/05
Hyperion: Parting Glance
PIA07739
 
9/29/05
Hyperion's Unusual Craters
PIA07741
 
9/26/05
Hyperion Raw Preview #9
 
9/26/05
Hyperion Raw Preview #10
 
9/26/05
Hyperion Raw Preview #8
 

 

 
9/26/05
Hyperion Raw Preview #7
 
9/26/05
Hyperion Raw Preview #6
 
9/26/05
Hyperion Raw Preview #5
 
9/26/05
Hyperion Raw Preview #4
 
9/26/05
Hyperion Raw Preview #1
 

 

 
9/26/05
Hyperion Raw Preview #2
 
9/26/05
Hyperion Raw Preview #3
 
7/11/05
Encountering Hyperion (Movie)
PIA06243
 
5/6/05
Hyperion's Nose
PIA06643
 
4/8/05
Hyperion's Face
PIA06623
 

 

 
3/18/05
Hyperion Hoopla
PIA06608
 
1/13/05
Strange Hyperion
PIA06562
 
10/22/04
Day and Night on Hyperion
PIA06504
 
9/28/04
Hyperion From Afar
PIA06486
 
8/12/04
Tumbling Hyperion
PIA05433
 

 


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Newsroom - Press Releases

 
CASSINI SCIENTISTS WRING OUT THE DETAILS ON SPONGY HYPERION - Jul 4, 2007
 ... WRING OUT THE DETAILS ON SPONGY HYPERION Scientists on NASA's Cassini mission ... understanding of why the odd moon Hyperion has such an unusual appearance.The ... strange, sponge-like appearance of ...


 
SPONGY-LOOKING HYPERION TUMBLES INTO VIEW - Jul 11, 2005
 ... Advisory: July 11, 2005SPONGY-LOOKING HYPERION TUMBLES INTO VIEWTwo new Cassini ... views of Saturn's tumbling moon Hyperion offer the best looks yet at one ... during Cassini's first brush with Hyperion.Hyperion ...


 
CASSINI SENDS FINAL CLOSE VIEWS OF ODD MOON HYPERION - Jun 2, 2015
 ... FINAL CLOSE VIEWS OF ODD MOON HYPERIONImage Advisory: June 2, 2015NASA's ... approach to Saturn's oddball moon Hyperion, upholding the moon's reputation ... the solar system. The views show Hyperion's ...


 
CASSINI PREPARES FOR LAST UP-CLOSE LOOK AT HYPERION - May 28, 2015
 ... PREPARES FOR LAST UP-CLOSE LOOK AT HYPERIONPress Release: May 28, 2015NASA's ... large, irregularly shaped moon Hyperion on Sunday, May 31.The Saturn-orbiting spacecraft will pass Hyperion at a distance ...


 
CASSINI'S DOUBLEHEADER FLYBYS SCORE HOME RUN - Sep 30, 2005
 ... flybys of Saturn moons Tethys and Hyperion last weekend, coming closer than ... scarred, ancient surface, while Hyperion is a strange, spongy-looking body ... on Saturn's oddly tumbling moon Hyperion.Images ...



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Newsroom - Special Events

 
Cassini Sends Final Close Views of Odd Moon Hyperion - Jun 2, 2015
 ... approach to Saturn's oddball moon Hyperion. (Image Advisory can be found ...


 
HYPERION REV 216 RAW PREVIEW - Jun 1, 2015
 NASA's Cassini spacecraft captured these raw, unprocessed images of Saturn's moon Hyperion during a close flyby on May 31, 2015. This flyby marks the mission's final close approach of Saturn's irregularly shaped moon, Hyperion.


 
Cassini Prepares for Last Up-Close Look at Hyperion - May 28, 2015
 ... PREPARES FOR LAST UP-CLOSE LOOK AT HYPERIONPress Release: May 28, 2015NASA's ... large, irregularly shaped moon Hyperion on Sunday, May 31.The Saturn-orbiting spacecraft will pass Hyperion at a distance ...


 
Hyperion Rev 152 Raw Preview - Aug 26, 2011
 ... unprocessed images of Saturn's moon Hyperion were taken on Aug. 25, 2011, as ... conducted its second closest flyby of Hyperion at a distance of about 15,500 miles (25,000 kilometers).Hyperion is ...


 
Hyperion Rev 141 Raw Preview - Nov 29, 2010
 These raw, unprocessed images of Saturn's moon Hyperion were taken on Nov. 28, 2010.


 
Cassini Buzzes Hyperion - Sep 29, 2005
 Cassini completed its recent double-header of flybys on September 26, with a spectacular 500 kilometer (310 mile) pass above the oddly modified surface of Hyperion.


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







Home - Captain's Logs

 
Spectacular Sights at 10 AU - Dec 22, 2005
 ... of Enceladus, and one each of Hyperion, Dione, and Rhea -- occurred in ... know these bodies intimately. Hyperion is perhaps the strangest yet seen. ... packed and deeply etched pits on Hyperion were ...


 
Approach to Saturn Begins - Feb 27, 2004
 ... the chaotically rotating moon, Hyperion. In April, when our camera's resolution ...







Newsroom - Looking Ahead

 
Rev240 - Aug 1, 2016
 


 
Rev220 - Jul 23, 2015
 


 
Rev216 - May 5, 2015
 


 
Rev215 - Apr 14, 2015
 


 
Rev153 - Sep 1, 2011
 



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Alliance Member Comments


Arrival and Departure at Phoebe
jsc248      
2014-06-27 07:39:20

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Hi Carolyn, I have been following these amazing images for many years from here in the UK. My own personal favourite image came from September 2005. It is of the moon Hyperion and came out under the caption of Odd World. I had to agree with that too, this amazing image could very well be of a giant sponge!! Take a look for yourselves here and tell me what you think. http://www.ciclops.org///view_media/7916/Odd-World it would be great to hear which is everyone else's favourite image from CASSINI. Keep up the amazing images Carolyn and team. We all look forward to many more years of amazing images to come jsc248 (John to my friends!!)


Hyperion 'Rev 152' Raw Preview #5
illexsquid      
2011-08-26 11:20:28

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http://nssdc.gsfc.nasa.gov/imgcat/html/object_page/vg2_p23932.html Remarkably similar to the face Voyager 2 saw. Hyperion has just rotated around a little more to show us that the bite out of the hamburger is actually another large crater (top of this image, partially in shadow). Amazing that there's anything left of this little brittle moon after so many large impacts.


Hyperion 'Rev 152' Raw Preview #5
jsc248      
2011-08-26 11:07:02

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Possibly my most favourite object in the Solar System! Hyperion always reminds me of a Celestial Sponge in appearance. These images of an amazingly cratered surface shows you why. Great Stuff!! John.


Somersaulting Moon
carolyn      
2011-01-12 19:43:25

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Mercury and lsludwig: Hyperion looks the way it does -- with surprisingly deep-looking craters -- because it is underdense and on the small side. This means that impactors do more compression than excavation and so penetrate deeper. And the impact ejector may (1) be less abundant because of that, and (2) escape the moon entirely, leaving no ejector blankets. For the full story, read this paper, under the SCIENCE section of this website: http://www.ciclops.org/media/sp/2007/3345_8239_0.pdf


Somersaulting Moon
Mercury_3488      
2011-01-12 12:39:36

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Hi lsludwig1, Yes I agree, Hyperion is very curious. One idea is that the deep fluted craters are due to normal craters being deepened by the dak dusty floors absorbing what little sunlight is out here & 'burning' a deeper hole, giving Hyperion the peculiar sponge like appearance. Also Hyperion is the least dense 'solid' body at only 0.55 Gcm3, just over half that of solid H2O ice, suggesting that Hyperion is an icy rubble pile held together by gravity. Certainly sopme asteroids are like this, main belt asteroid 253 Mathilde certainly so, rather carbonaceous materials rather than ice, the Mars moon Phobos (possibly Deimos too) & the Jupiter moon Amalthea. Phoebe appears coherent as does the main belt asteroid 21 Lutetia, so not all 'small' bodies are rubble piles, but Hyperion almost certainly is. Whether or not Hyperion is a captured comet is open to question, where as Phoebe most certainly is. Shame we cannot get another close pass of Phoebe, but I think we will see Hyperion again with Cassini. Hi Carolyn, Do we know when yeaterday's Rhea imagery will be avaliable? Hope Cassini has not gone into safing. Andrew Brown.


Somersaulting Moon
lsludwig1      
2011-01-11 16:38:25

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I've been looking at enlargements of Hyperion images and finally realize what it is that makes it look so different to me from other moons. It reminds me of what a close-up of a lump of slightly eroded coral looks like: the larger crater being the polyp cores. The other imagery is that of worm pumice stone: the larger craters like the surface bubbles. What all three might have in common is a lightness and porosity. The other oddity is that craters are of three distinct sizes: the obvious large craters; craters about a tenth the size and then very very small craters. And between all of these craters is a very soft surface void of any large craters like it was dusted over with snow. This would imply to me that Hyperion either has been subject to different conditions in space (was it a comet?)or its own unique geology, as Enceladus has its own unique geology.


Rev141
Dragon_of_Luck_Mah_Jonng1971      
2010-11-25 14:46:53

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The Cassini spacecraft resumed normal operations on Nov. 24, as planned ! Then, there will be a Hyperion flyby at 44 500 miles approx. on 11/28 and a very important Enceladus flyby on 11/30 at only 50 km/31 miles.


Pitted Hyperion
thetonster      
2009-11-10 02:34:07

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How many images have been made of Hyperion with Cassini? There was an article in Science a few years ago asserting chaotic rotation, but I wonder if it is in some exotic state wherein Hyperion effectively precesses at a rate almost equal to its rotation, and the latter possibly occurs around a non-principal axis, the way Eros does. This could mimic chaos over a relatively short time. Also I wonder anyone has attempted to model the evolution of Hyperion’s orbit, and how it got so tangled up with Titan! Saturn’s family has so many marvelous mysteries we have yet to completely understand.


Enceladus' Jets
thetonster      
2009-03-08 18:06:37

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Quickly now, before the Mars-faceites see it; there’s a face in southern Enceladus, too. Note the most-tilted, Norternmost spike as it rotates past center; a little below it, a rather morose face seems to be embedded in the ripples. We know it is a chance collection of Ice ridges and grooves, of course; but sure as shootin’ the von Däniken followers will find this one too: and who knows what Alien Race they’ll invoke to explain it? On another Cassini target, I’d like it if our fearless imaging team would take more pictures of Hyperion; not necessarily in a zoom-by, but merely to verify an assertion made a few years ago in the literature, that Hyperion’s rotation is chaotic. Does that outsize sponge rotate, or does it trip and stumble as it orbits?


Hyperion Raw Preview #5
Mercury_3488      
2008-12-08 13:35:03

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Hi Dragon_of_Luck_Mah_Jonng1971, Hyperion's ultra low density amazes me. 0.55 g cm3, the least dense solid object known in the solar system. The deep craters certainly looked like punched in material, although IIRC many are thought to have burned into the ice with dark floors absorbing the little solar radiation this far from the Sun. I am aware that there are no further very close passes planned for Hyperion, but are any decent further passes possible, lets say less than 100,000 KM? Or for that matter, any of the other minor moons other than the close Helene pass planned? A closeish pass of Mimas would also be quite interesting, particularly with density measurements & to see whether or not the surface is peppered with smaller & smaller craters, or they cut off below a certain size, as with Jupiter's Callisto? Andrew Brown.


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