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May 23, 2007, HiRISE release
Guest_AlexBlackwell_*
post May 23 2007, 04:01 PM
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May 23, 2007, HiRISE release
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CosmicRocker
post May 24 2007, 04:55 AM
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QUOTE (elakdawalla @ May 23 2007, 03:41 PM) *
... It doesn't look to me like that one's on the Cushing et al list (see my blog entry for that list and image). Or is it?
I don't see it in the seven that they show. I think antipode is correct, suggesting, "Who know how many of these things might turn up, and who knows how big they might be?"

I took a hint from your discovery and started panning over that region with HRSCview, and I thought I saw several very small skylights that were not very convincing. I also came across the one you posted an image of, and then finally another apparently "new" one that was large enough to be convincing. It's actually a pair, but the second one is rather small.
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AndyG
post May 24 2007, 07:26 AM
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Excellent. ~100m across? >200m deep? What a place to dome over and start building.

Andy
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- AlexBlackwell   May 23, 2007, HiRISE release   May 23 2007, 04:01 PM
- - djellison   Ustrax - finally - you have what you asked for ht...   May 23 2007, 04:10 PM
|- - ustrax   QUOTE (djellison @ May 23 2007, 05:10 PM)...   May 23 2007, 04:20 PM
- - ngunn   Well, just look at that great big hole in the grou...   May 23 2007, 04:12 PM
|- - Juramike   QUOTE (ngunn @ May 23 2007, 12:12 PM) Wel...   May 23 2007, 10:06 PM
|- - ngunn   QUOTE (Juramike @ May 23 2007, 11:06 PM) ...   May 25 2007, 10:01 AM
|- - ustrax   I've made a new animation focusing on the top-...   May 25 2007, 01:47 PM
|- - tedstryk   Perhaps they could rotate the spacecraft to compen...   May 25 2007, 03:03 PM
- - lyford   It's obvious that's an Acme Portable Hole ...   May 23 2007, 04:59 PM
- - Juramike   Wow!!! Is that the entrance or exit?   May 23 2007, 05:12 PM
|- - AlexBlackwell   QUOTE (Juramike @ May 23 2007, 07:12 AM) ...   May 23 2007, 07:24 PM
|- - nprev   QUOTE (AlexBlackwell @ May 23 2007, 12:24...   May 23 2007, 07:48 PM
|- - AlexBlackwell   QUOTE (nprev @ May 23 2007, 09:48 AM) (gr...   May 23 2007, 07:54 PM
- - nprev   ..okay, THIS made my jaw drop! Why so circular...   May 23 2007, 06:12 PM
- - djellison   Well - unless its many many km's - then there ...   May 23 2007, 06:16 PM
- - stevo   Looks to me like one of Kim Stanley Robinson's...   May 23 2007, 06:21 PM
|- - zoost   QUOTE (stevo @ May 23 2007, 06:21 PM) .. ...   May 24 2007, 11:25 AM
- - hendric   I wonder what IR will show us, especially at night...   May 23 2007, 06:39 PM
- - ElkGroveDan   Can someone less lazy than I do the calculations o...   May 23 2007, 07:20 PM
- - elakdawalla   See this topic for more information and links to c...   May 23 2007, 07:20 PM
- - volcanopele   Given this image's location on Mars, I would p...   May 23 2007, 07:32 PM
- - tty   Yes, but it must be a very large tube since the ho...   May 23 2007, 07:43 PM
- - nprev   The former; maybe he's tight enough with the l...   May 23 2007, 08:08 PM
- - djellison   38 degrees. Call it 130m across - sohcahtoa and a...   May 23 2007, 08:21 PM
- - elakdawalla   According to the caption on the image, though, HiR...   May 23 2007, 08:22 PM
- - elakdawalla   Just for grins, I went to HRSCview and located the...   May 23 2007, 08:41 PM
- - nprev   Nice find, Emily! Seems like it's right in...   May 23 2007, 08:53 PM
- - tuvas   Ahh, they finally released this picture. The one...   May 23 2007, 10:36 PM
|- - ElkGroveDan   QUOTE (tuvas @ May 23 2007, 02:36 PM) Oh,...   May 23 2007, 11:34 PM
|- - tuvas   QUOTE (ElkGroveDan @ May 23 2007, 04:34 P...   May 23 2007, 11:35 PM
|- - ElkGroveDan   OK now I see the history of this with Odyssey. So...   May 23 2007, 11:38 PM
- - dvandorn   Looks like a good landing site for MSL -- if it st...   May 23 2007, 11:48 PM
- - antipode   Martian bungee jumping anyone? Surely this wil...   May 24 2007, 12:06 AM
- - antipode   Actally, regardless of how deep these things are, ...   May 24 2007, 02:08 AM
- - mchan   MRO is in sun-synchronous orbit so the nadir point...   May 24 2007, 03:20 AM
- - CosmicRocker   QUOTE (elakdawalla @ May 23 2007, 03:41 P...   May 24 2007, 04:55 AM
|- - AndyG   Excellent. ~100m across? >200m deep? What a pla...   May 24 2007, 07:26 AM
|- - ustrax   Is it really impossible to dig out something from ...   May 24 2007, 09:36 AM
|- - akuo   QUOTE (ustrax @ May 24 2007, 09:36 AM) Is...   May 24 2007, 01:16 PM
|- - Gray   QUOTE (ustrax @ May 24 2007, 09:36 AM) No...   May 24 2007, 04:25 PM
- - djellison   Yes - it really is impossible. That's not det...   May 24 2007, 10:22 AM
|- - ustrax   QUOTE (djellison @ May 24 2007, 11:22 AM)...   May 24 2007, 01:17 PM
- - djellison   What sort of liquid at .006 bar and -80degC? Woul...   May 24 2007, 12:12 PM
- - climber   I can't imagine anything else than a hole in a...   May 24 2007, 12:33 PM
- - ngunn   Regarding that overhang: We are told that the sun...   May 24 2007, 12:42 PM
- - djellison   ^ "Oh, for those of you wanting to overlay M...   May 24 2007, 12:42 PM
- - zoost   There must be some liquids (carbon based) that abs...   May 24 2007, 12:47 PM
- - djellison   Because the ceiling is overhanging. It's a co...   May 24 2007, 01:02 PM
- - djellison   I'm not saying that you're not pulling out...   May 24 2007, 01:19 PM
|- - ustrax   QUOTE (djellison @ May 24 2007, 02:19 PM)...   May 24 2007, 02:04 PM
|- - Tesheiner   QUOTE (djellison @ May 24 2007, 03:19 PM)...   May 24 2007, 03:30 PM
- - akuo   Binning done in the electronics before AD transfor...   May 24 2007, 02:21 PM
- - centsworth_II   Will we have to wait until there is a laser altime...   May 24 2007, 02:40 PM
- - Juramike   It's not an abyss, it's a martian oubliett...   May 24 2007, 04:10 PM
- - Stu   Maybe one day...   May 24 2007, 04:43 PM
- - tuvas   MRO flight rules limit the off-NADIR pointing to 3...   May 24 2007, 08:14 PM
|- - ustrax   Regarding the "work" I've done with ...   May 25 2007, 08:08 AM
- - ngunn   Thinking about the possible pattern of illuminatio...   May 25 2007, 09:01 AM
|- - Oersted   QUOTE (ngunn @ May 25 2007, 11:01 AM) Thi...   May 30 2007, 10:55 AM
|- - ngunn   QUOTE (Oersted @ May 30 2007, 11:55 AM) G...   Jun 4 2007, 09:55 AM
- - marswiggle   I had a quick look in the MOC Gallery for similar ...   May 25 2007, 03:23 PM
|- - ustrax   QUOTE (marswiggle @ May 25 2007, 04:23 PM...   May 25 2007, 04:15 PM
- - nprev   Wait a minute, ustrax...are you sure that's no...   May 25 2007, 05:05 PM
- - Gray   Marswiggle, The image of Dena that you posted has...   May 25 2007, 05:22 PM
- - marswiggle   While I don't know, let them answer, in that v...   May 26 2007, 11:30 AM
- - Gray   Thanks. I should do more than look at the pictur...   May 26 2007, 02:01 PM
- - tty   130 meters deep, that is really something for a la...   May 26 2007, 06:31 PM
- - Stu   What's causing that lighter area to the top of...   May 27 2007, 09:48 AM
- - dvandorn   Actually, Stu, I think the lightened area looks ro...   May 27 2007, 10:08 AM
|- - Stu   QUOTE (dvandorn @ May 27 2007, 11:08 AM) ...   May 27 2007, 10:21 AM
|- - tty   QUOTE (Stu @ May 27 2007, 12:21 PM) And t...   May 27 2007, 05:30 PM
- - djellison   I doubt it's wind through the lava tube itself...   May 27 2007, 11:38 AM
|- - Stu   QUOTE (djellison @ May 27 2007, 12:38 PM)...   May 27 2007, 03:13 PM
|- - Juramike   QUOTE (djellison @ May 27 2007, 07:38 AM)...   Jun 1 2007, 07:12 PM
- - nprev   Chilling yet fascinating, Stu...really captures th...   May 27 2007, 03:58 PM
- - J.J.   That. Is. Incredible. Interesting, how this one...   May 28 2007, 03:12 PM
- - tuvas   It's interesting, not since the Victoria crate...   May 28 2007, 05:22 PM
- - bdunford   I don't know if this is news to anyone, but FW...   Jun 1 2007, 06:04 PM
- - AlexBlackwell   Are There Giant Caves on Mars? Planetary Radio Mo...   Jun 18 2007, 08:47 PM
- - ustrax   Wow! They were able to actually get the bottom...   Mar 19 2009, 08:24 PM


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