Images of Saturn and its Moons

rlb2 · Jan 2, 2005

Here is another enlargement of a different look at the ridge. I darkened it a bit and increased the Saturation to bring out more detail. N00026246.55 <div class="Discussion_UserSignature"> Ron Bennett </div>

phaze · Jan 3, 2005

I believe that's a partially cloaked Klingon Warbird.

claywoman · Jan 3, 2005

Okay...its obvious...that moon is sewn together...I detected a cross stitch pattern...you can't fool someone who sews... <img src="/images/icons/smile.gif" /> Seriously, this is fascinating

silylene old · Jan 3, 2005

Ahh, I was right, there is a groove in the middle of the ridge. I think a ridge with a groove in it should support the hypothesis that the ridge was caused by sweeping up debris from a narrow ring. <div class="Discussion_UserSignature"> <div class="Discussion_UserSignature" align="center">- - - - - - - - - - - - - - - - - - - - - - </div><div class="Discussion_UserSignature" align="center">I really, really, really miss the "first unread post" function. </div> </div>

bobvanx · Jan 3, 2005

Hooray for us! We've got a working hypothesis that explains much of what we see at Iapetus. Before the science team has publicly commented! Hey Mr. Rob Roy Britt, are you monitoring these boards? Dark leading hemisphere and a furrowed ridge both seem to indicate sweeping up of small particles. Smallest particles land gently, build up a ridge, slightly larger ones blast a furrow. Further indications: if the equatorial circumference does measure larger than the polar circumference. if the ridge has the most volume on the leading hemisphere. if there are ridges in other orientations, which are covered over or only partially circumferential, suggesting that as larger impacts rocked the moon, new areas got covered. if the dark material can be shown to be exogenic.

rlb2 · Jan 4, 2005

I believe that's a partially cloaked Klingon Warbird. My thoughts exactly, It could be Captain Kirk, he likes steeling those Klion Warbirds. <div class="Discussion_UserSignature"> Ron Bennett </div>

rlb2 · Jan 4, 2005

Okay...its obvious...that moon is sewn together...I detected a cross stitch pattern...you can't fool someone who sews.. Maybe sewing was taken up by aliens billion of years before we discovered it. It is, as you said fascinating. I am trying to find more Klion Warbirds to confirm this, if they dont have their cloaking device on - raw images can be deceiving. <div class="Discussion_UserSignature"> Ron Bennett </div>

claywoman · Jan 4, 2005

Okay...if it were from picking up debris from the rings, why would it be in such a straight furrow all around the moon? wouldn't it wobble at some point heading the furrows in another direction? Or am I way off base here...

bobvanx · Jan 4, 2005

It would have to be a very narrow set of conditions to allow a ridge to buiild up from deposition. Everything would have to be relatively slow, and sticky. Bear in mind Iapetus has its own gravity, too. So there would be some sorting according to particle size. Really fine stuff would be simply swept up. Slightly bigger stuff, if it missed the first time, would interact gravitationally with all the dust and the other particles to end up in a sort of "landing spiral," shedding velocity and coming down all around this moon. Stuff larger than that would follow two courses: get swept up on the leading side, or get gravitionally ejected. These objects, depending on their size and velocity., would build up the ridge or blast a furrow in the center of it. Even larger impacts would change the orientation of the moon. So there might be ridges hidden beneath the topology we currently see.

rlb2 · Jan 5, 2005

Don't know what you are talking about? I do like there idea on how the ridge was formed. If they do a crater count and prove that there are many more small craters around the ridge then anywhere else on the moon per square kilometer then maybe they would have more solid evidence of a “Collapsing Ring Hypothesis”. I support "The Cracked Boiled Egg Hypothesis" - from a large impact that almost cracks the moon into. The energy created by the impact heats up the material enough that it liquefies some of the interior of the moon. The resulting liquefied material under pressure oozes out of the crack created by the impact shock wave. Kind of like what a hard boiled egg looks like after it boils for a spell then cracked open under pressure before you take it out of the pan. <div class="Discussion_UserSignature"> Ron Bennett </div>

spacehappy · Jan 7, 2005

Thanks for posting these images rlb, if it wasn't for you and other image developers on this forum we would end up with color pictures like this one from JPL. Below is their full size image release, it bears a strong resemblance to the same color as you posted but you can’t make out any detail on there’s. Alex blackball (Blackwell) wants you to stop posting images but most of us who view these images don’t want you to stop (We would never get to see a closer look at what is out there or form a better opinion about what we are looking at.) If space.com wanted you to stop posting images they would have said something a long time ago, believe me I know. FULL SIZE IMAGE

huey_pilot · Jan 8, 2005

Not as spectacular as most of these great images, but here is what Saturn looks like through my old 700x60 tasco telescope. (actual size) http://img69.exs.cx/img69/9749/saturn0mz.jpg

CalliArcale · Jan 10, 2005

<blockquote>In reply to:<hr />If space.com wanted you to stop posting images they would have said something a long time ago, believe me I know. <hr /></blockquote> You can post any pictures you like as long as they are PG-13 or better, and under 100K. <img src="/images/icons/wink.gif" /> No nekkid people, no gruesomeness, and of course if it's not acceptable in text, it's not acceptable in a picture either. Pictures of Iapetus are certainly acceptable. <img src="/images/icons/wink.gif" /> (However, I do recommend that folks resize the images. We don't enforce that, and usually don't even check for size, but it's just a bit of advice so folks can view your pictures.) <div class="Discussion_UserSignature"> "People assume that time is a strict progression of cause to effect, but actually from a non-linear, non-subjective viewpoint it's more like a big ball of wibbly wobbly . . . timey wimey . . . stuff." -- The Tenth Doctor, "Blink" </div>

Swampcat · Jan 10, 2005

"However, I do recommend that folks resize the images. We don't enforce that, and usually don't even check for size, but it's just a bit of advice so folks can view your pictures." I generally try to resize my posted images so that most people won't have to scroll around to see the entire image nor expand the page horizontally. I don't know if this is the best way of doing things so I'd appreciate some opinions from other posters on what they prefer. I suppose some people like to see the full-size image, but considering the 100k limit, I don't see that the larger images add that much to the resolution -- and of course I have my own originals to view <img src="/images/icons/tongue.gif" />. Anyway, thanks for clarifying the policy. <div class="Discussion_UserSignature"> ------------------------------------------------------------------- "I hold it that a little rebellion now and then is a good thing, and as necessary in the political world as storms in the physical. Unsuccessful rebellions, indeed, generally establish the encroachments on the rights of the people which have produced them. An observation of this truth should render honest republican governors so mild in their punishment of rebellions as not to discourage them too much. It is a medicine necessary for the sound health of government."Thomas Jefferson </div>

decepticon · Jan 19, 2005

Raw Images are up. http://saturn1.jpl.nasa.gov/multimedia/images/raw/raw-images-list.cfm?StartRow=209&cacheQ=1&browseLatest=1&storedQ=860549 to see the rest of the images that cassinni took on last Sundays flybys of smaller moons.

aerogi · Jan 19, 2005

Thanks for that link! Great to see Mimas back! http://saturn1.jpl.nasa.gov/multimedia/images/raw/casJPGBrowseS07/N00026565.jpg

rlb2 · Jan 20, 2005

A colorful look at Saturn’s rings with Mimas in the foreground. N00026949.7 <div class="Discussion_UserSignature"> Ron Bennett </div>

rlb2 · Jan 21, 2005

A little closer look at Mimas and some distance moons. <div class="Discussion_UserSignature"> Ron Bennett </div>

rlb2 · Jan 22, 2005

Mimas <div class="Discussion_UserSignature"> Ron Bennett </div>

Swampcat · Jan 23, 2005

"A colorful look at Saturn’s rings with Mimas in the foreground. The colors may show the composition of the material in the rings with similar color ring material." IMO, what you're seeing in that image is the result of misaligned color registration due to spacecraft motion. <div class="Discussion_UserSignature"> ------------------------------------------------------------------- "I hold it that a little rebellion now and then is a good thing, and as necessary in the political world as storms in the physical. Unsuccessful rebellions, indeed, generally establish the encroachments on the rights of the people which have produced them. An observation of this truth should render honest republican governors so mild in their punishment of rebellions as not to discourage them too much. It is a medicine necessary for the sound health of government."Thomas Jefferson </div>

Swampcat · Jan 23, 2005

Here is another view: <div class="Discussion_UserSignature"> ------------------------------------------------------------------- "I hold it that a little rebellion now and then is a good thing, and as necessary in the political world as storms in the physical. Unsuccessful rebellions, indeed, generally establish the encroachments on the rights of the people which have produced them. An observation of this truth should render honest republican governors so mild in their punishment of rebellions as not to discourage them too much. It is a medicine necessary for the sound health of government."Thomas Jefferson </div>

Swampcat · Jan 23, 2005

Dione: <div class="Discussion_UserSignature"> ------------------------------------------------------------------- "I hold it that a little rebellion now and then is a good thing, and as necessary in the political world as storms in the physical. Unsuccessful rebellions, indeed, generally establish the encroachments on the rights of the people which have produced them. An observation of this truth should render honest republican governors so mild in their punishment of rebellions as not to discourage them too much. It is a medicine necessary for the sound health of government."Thomas Jefferson </div>

Swampcat · Jan 23, 2005

Enceladus: <div class="Discussion_UserSignature"> ------------------------------------------------------------------- "I hold it that a little rebellion now and then is a good thing, and as necessary in the political world as storms in the physical. Unsuccessful rebellions, indeed, generally establish the encroachments on the rights of the people which have produced them. An observation of this truth should render honest republican governors so mild in their punishment of rebellions as not to discourage them too much. It is a medicine necessary for the sound health of government."Thomas Jefferson </div>

Swampcat · Jan 23, 2005

Another view of Enceladus: <div class="Discussion_UserSignature"> ------------------------------------------------------------------- "I hold it that a little rebellion now and then is a good thing, and as necessary in the political world as storms in the physical. Unsuccessful rebellions, indeed, generally establish the encroachments on the rights of the people which have produced them. An observation of this truth should render honest republican governors so mild in their punishment of rebellions as not to discourage them too much. It is a medicine necessary for the sound health of government."Thomas Jefferson </div>

Swampcat · Jan 23, 2005

Four views of Mimas: <div class="Discussion_UserSignature"> ------------------------------------------------------------------- "I hold it that a little rebellion now and then is a good thing, and as necessary in the political world as storms in the physical. Unsuccessful rebellions, indeed, generally establish the encroachments on the rights of the people which have produced them. An observation of this truth should render honest republican governors so mild in their punishment of rebellions as not to discourage them too much. It is a medicine necessary for the sound health of government."Thomas Jefferson </div>

Images of Saturn and its Moons

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