Ring near edge on illumination - Unmanned Spaceflight.com

Ring near edge on illumination, Ring particles are casting shadows

Floyd View Member Profile	Apr 11 2009, 01:21 PM Post #1
Member Group: Members Posts: 910 Joined: 4-September 06 From: Boston Member No.: 1102	Not only are we seeing the long shadows of moons on the rings, but objects in the rings are now casting shadows. Link Notice the mini shadows on the bright twisted band just where the moon shadow ends. One of you who is more adept at image cropping may want to post a cropped blowup. -------------------- Floyd

Posts in this topic

Floyd Ring near edge on illumination Apr 11 2009, 01:21 PM

sci44 Nice catch! You have just discovered 11,821 ne... Apr 11 2009, 02:06 PM

Ian R Wow - is this the region periodically disturbed by... Apr 11 2009, 03:38 PM

dilo Excellent finding, Floyd! QUOTE (Ian R @ ... Apr 11 2009, 08:46 PM

scalbers Pretty neat. They almost look like the shadow of a... Apr 11 2009, 03:42 PM

ugordan Wow, that's seriously wicked. Nice catch, Floy... Apr 11 2009, 04:21 PM

ElkGroveDan Thanks for catching that Floyd. This is amazing. ... Apr 11 2009, 04:37 PM

sci44 This is a rough attempt at an animation using fram... Apr 11 2009, 06:18 PM

Floyd Thanks sci44 for the crop and the movie. I am als... Apr 11 2009, 06:30 PM

helvick It's not all that surprising if we assume that... Apr 11 2009, 08:01 PM

sci44 Yes, an excellent find, Floyd! The first frame... Apr 11 2009, 09:34 PM

volcanopele Most of the moon shadow stuff at the moment is eit... Apr 11 2009, 11:01 PM

Astro0 With Cassini's motion, this is not an easy set... Apr 12 2009, 06:42 AM

nprev All I got to say is WOW, you guys... Astro, h... Apr 12 2009, 07:10 AM

ElkGroveDan I would imagine that the Mimas/Tethys shadows(s) s... Apr 12 2009, 07:31 AM

Astro0 nprev...not sure what time period. Someone here wi... Apr 12 2009, 09:24 AM

Bjorn Jonsson These images are amazing - I think they might be t... Apr 12 2009, 01:26 PM

ElkGroveDan QUOTE (Astro0 @ Apr 12 2009, 02:24 AM) On... Apr 12 2009, 02:57 PM

Floyd Ring dynamics are slightly beyond me (I'm a mi... Apr 12 2009, 01:50 PM

nprev I agree, Dan. There are certainly relative motion ... Apr 12 2009, 06:02 PM

Astro0 Nice work Dan I hope that we can look forward to... Apr 13 2009, 10:04 AM

sci44 [temporarily deleted] Apr 13 2009, 06:45 PM

ugordan QUOTE (sci44 @ Apr 13 2009, 08:45 PM) The... Apr 13 2009, 08:27 PM

ustrax QUOTE (ugordan @ Apr 13 2009, 09:27 PM) H... Apr 13 2009, 09:45 PM

ngunn Don't miss Emily's great piece on this, wi... Apr 13 2009, 10:03 PM

sci44 Thats a fair point - I have nothing but respect fo... Apr 13 2009, 10:34 PM

nprev Just because I felt like linking to a random recen... Apr 14 2009, 12:46 AM

helvick I just read Emily's excellent blog post and I ... Apr 14 2009, 12:56 AM

Stu Emily's piece on this is simply outstanding, a... Apr 14 2009, 05:53 AM

Astro0 Just to put one final piece into this thread, here... Apr 14 2009, 02:10 PM

elakdawalla That's cool, Astro0, thanks for that. Althoug... Apr 14 2009, 04:29 PM

fredk These are ridiculously spectacular images. Sorry ... Apr 14 2009, 09:01 PM

belleraphon1 When CASSINI launched I never expected THIS! ... Apr 14 2009, 10:41 PM

ngunn APOD today. The 'preliminary hypothesis... Apr 15 2009, 12:37 PM

volcanopele QUOTE (ngunn @ Apr 15 2009, 05:37 AM) APO... Apr 15 2009, 05:54 PM

ngunn Here's another calculation. I wanted to know r... Apr 15 2009, 01:33 PM

Stu A few years ago the BBC produced a series called ... Apr 15 2009, 01:50 PM

ngunn Hey, that is indeed a beautiful animation of the r... Apr 15 2009, 02:08 PM

Fran Ontanaya The great wall of Saturn... At the right side of... Apr 15 2009, 02:09 PM

chemman QUOTE (Fran Ontanaya @ Apr 15 2009, 10:09... Apr 15 2009, 05:59 PM

ugordan QUOTE (chemman @ Apr 15 2009, 07:59 PM) J... Apr 15 2009, 06:10 PM

chemman QUOTE (ugordan @ Apr 15 2009, 02:10 PM) I... Apr 15 2009, 06:57 PM

jasedm QUOTE (ugordan @ Apr 15 2009, 07:10 PM) A... Apr 15 2009, 07:10 PM

Floyd I started this thread because I was really blown a... Apr 16 2009, 12:02 AM

Bjorn Jonsson QUOTE (Floyd @ Apr 16 2009, 12:02 AM) I s... Apr 16 2009, 09:41 AM

ugordan There probably were hints of the shadows for some ... Apr 16 2009, 10:22 AM

Astro0 Perfectly said Floyd. For the majority of contrib... Apr 16 2009, 01:49 AM

ngunn More vertical relief here? http://saturn.jpl.nasa.... Apr 16 2009, 09:01 AM

ugordan Looks like it, nice catch. I wonder if Daphnis... Apr 16 2009, 09:10 AM

ngunn Trawling through recent Daphnis images it looks li... Apr 16 2009, 02:57 PM

Floyd If Daphnis had 0 inclination, I wouldn't think... Apr 16 2009, 03:37 PM

chemman QUOTE (Floyd @ Apr 16 2009, 10:37 AM) If ... Apr 16 2009, 04:57 PM

Floyd QUOTE (chemman @ Apr 16 2009, 11:57 AM) W... Apr 21 2009, 04:07 PM

elakdawalla Nice catch on the Daphnis wake shadows. I like th... Apr 16 2009, 06:17 PM

Floyd The Looking Ahead Rev109: April 16-May 2 (posted p... Apr 20 2009, 02:01 PM

ElkGroveDan QUOTE (Floyd @ Apr 20 2009, 06:01 AM) gue... Apr 20 2009, 03:47 PM

Floyd Figured it must have been something that someone f... Apr 20 2009, 05:41 PM

Floyd This picture, N00133715.jpg, was taken April 16 in... Apr 24 2009, 03:19 PM

dilo QUOTE (Floyd @ Apr 24 2009, 04:19 PM) Thi... Apr 24 2009, 09:19 PM

Bjorn Jonsson The recent images showing satellite shadows are in... May 2 2009, 02:16 AM

john_s Very interesting! I'm guessing the bright... May 2 2009, 03:34 PM

nprev I notice that the edges of the umbral shadow becom... May 2 2009, 06:48 PM

Stu Wow... http://saturn.jpl.nasa.gov/photos/raw/rawi... May 3 2009, 11:32 AM

Bjorn Jonsson An even more pronounced brightness reversal than i... May 3 2009, 12:30 PM

helvick The explanation makes sense but what I can't g... May 3 2009, 01:11 PM

ngunn QUOTE (helvick @ May 3 2009, 02:11 PM) wh... May 4 2009, 11:04 AM

dilo Very interesting observations, ngunn! Correct... May 5 2009, 05:15 AM

helvick That's a brilliant explanation ngunn - and I l... May 5 2009, 06:33 PM

scalbers Yes this is a really neat image, as mentioned the ... May 3 2009, 03:20 PM

Floyd And I had thought that only the lit side of the ri... May 3 2009, 06:55 PM

Bill Harris And, of course, we now see a shadow of Pan on the ... May 3 2009, 09:29 PM

stevesliva QUOTE (Bill Harris @ May 3 2009, 05:29 PM... May 3 2009, 09:38 PM

nprev Not sure that's a moon, Steve; looks like a CR... May 3 2009, 10:37 PM

Floyd Definitely a CR hit. Daphnis would have a wake ar... May 4 2009, 12:06 AM

Floyd May 9th images down. I'll post some links when... May 10 2009, 04:27 PM

nprev Ooooo!!!! Ahhhhh!!!... May 10 2009, 08:01 PM

Floyd nprev, I think its Mimas. Updated my previous post... May 10 2009, 08:16 PM

Stu Quick animation of 6 of today's raws, showing ... May 12 2009, 11:21 PM

Hynee Propeller: http://saturn.jpl.nasa.gov/multimedia/... May 14 2009, 12:21 PM

john_s Good eye! I would never have noticed that. I... May 14 2009, 05:28 PM

Floyd April 03 Titan encounter/Ring plane crossing north... May 16 2009, 03:16 PM

Floyd Great image of Daphnis shadows. Link Thirty images... May 25 2009, 02:46 PM

scalbers Here even with my eyes it's remarkable how the... May 25 2009, 04:01 PM

alan I wonder if Daphnis bobs up and down relative to t... May 25 2009, 05:43 PM

Floyd Daphnis' orbit might be ever so slightly incli... May 25 2009, 08:52 PM

ngunn QUOTE (Floyd @ May 25 2009, 09:52 PM) I d... May 25 2009, 08:59 PM

Fran Ontanaya Or Daphnis gravity field isn't spherical nor a... May 25 2009, 10:49 PM

Floyd I agree that the ring material is bobbing up and d... May 25 2009, 10:58 PM

ngunn QUOTE (Floyd @ May 25 2009, 11:58 PM) It ... May 26 2009, 06:54 AM

Gsnorgathon How sure are we that the perturbation is purely gr... May 26 2009, 01:26 AM

ngunn Straightforward application of Kepler's third ... May 26 2009, 07:30 AM

Floyd QUOTE (chemman @ Apr 16 2009, 11:57 AM) W... May 26 2009, 12:29 PM

scalbers There is the very simple consideration that when t... May 26 2009, 01:32 PM

ngunn Yes. The rings must have an effect on Daphnis, tho... May 26 2009, 01:57 PM

ngunn This sounds like one to read - pity I don't ha... May 26 2009, 06:23 PM

Gsnorgathon Floyd - thanks for the link to the simulation. I... May 26 2009, 08:07 PM

Floyd ngunn: nice abstract. Do I understand correctly t... May 26 2009, 08:48 PM

ngunn I hesitate to comment further, given the complexit... May 26 2009, 09:29 PM

Floyd A whole new series of images of Daphnis taken on M... May 27 2009, 12:14 AM

Floyd Also a new propeller N00136512-N00136519. It come... May 27 2009, 01:03 AM

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