Post Conjunction: Santa Maria to Cape York, The Journey to 'Spirit Point' |
Post Conjunction: Santa Maria to Cape York, The Journey to 'Spirit Point' |
Jul 11 2011, 11:58 PM
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#796
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Senior Member Group: Members Posts: 4256 Joined: 17-January 05 Member No.: 152 |
My guess: CY will be much lower, and much less sharply peaked. I'm thinking a subtle "shelf" on the inner slope.
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Jul 12 2011, 02:32 AM
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#797
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Senior Member Group: Members Posts: 1281 Joined: 18-December 04 From: San Diego, CA Member No.: 124 |
I made up a little tune a while back called "Cresting the Rise", and I thought this might be a good thing to share with the UMSF Rover fans... Something to listen to while we wait... Nice work Mark! Makes me feel like we're really rolling now! -------------------- Lyford Rome
"Zis is not nuts, zis is super-nuts!" Mathematician Richard Courant on viewing an Orion test |
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Jul 12 2011, 03:45 AM
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#798
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The Poet Dude Group: Moderator Posts: 5551 Joined: 15-March 04 From: Kendal, Cumbria, UK Member No.: 60 |
Oh, me too Fred, that's a purely fanciful view
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Jul 12 2011, 06:06 AM
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#799
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Senior Member Group: Members Posts: 2228 Joined: 1-December 04 From: Marble Falls, Texas, USA Member No.: 116 |
Hey, we've seen the HiRise Digital Elevation Model in its various manifestations. Cape York is a shelf generally below the surrounding elevations. The highest part, based on shadows, seems to be the north side. But it seems mostly to be a shelf within Endeavour's basin.
-------------------- ...Tom
I'm not a Space Fan, I'm a Space Exploration Enthusiast. |
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Jul 12 2011, 06:46 AM
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#800
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Senior Member Group: Members Posts: 2173 Joined: 28-December 04 From: Florida, USA Member No.: 132 |
...it seems mostly to be a shelf within Endeavour's basin. I really think the difference between calling Cape York a shelf on the wall of Endeavour and a low, exposed portion of Endeavour's rim is important. I think the latter is the case. Yes, Cape York appears more shelf-like than peak-like but I think it is appearance only, in relation to the Meridiani sediments, and not the true morphological identity of Cape York. Maybe we can just call it a scenic overlook. Cape York as a portion of Endeavour's rim nearly covered by Meridiani layers. This is what the situation looks like to me. Cape York as a shelf on the interior of Endeavour's rim. I see no evidence of this. Where is the rim peak to the West of Cape York? I do not think one could have been there and eroded away. And even if that were the case, that would make Cape York part of the the current rim peak. Just my two Centsworth. |
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Jul 12 2011, 07:36 AM
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#801
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The Poet Dude Group: Moderator Posts: 5551 Joined: 15-March 04 From: Kendal, Cumbria, UK Member No.: 60 |
I don't think anyone is saying CY *isn't* part of the rim; all these references to 'shelves' relate to its location and visual appearance, not its geology, as I've read them anyway.
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Jul 12 2011, 08:50 AM
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#802
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The Poet Dude Group: Moderator Posts: 5551 Joined: 15-March 04 From: Kendal, Cumbria, UK Member No.: 60 |
My little red flag is far behind us now - Oppy drove over it, then turned round and skidded over it a few times more for good measure before carrying on - but today's pancams show something interesting (gif image below, please click), just wonder if anyone has any thoughts..?
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Jul 12 2011, 09:05 AM
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#803
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Senior Member Group: Moderator Posts: 2262 Joined: 9-February 04 From: Melbourne - Oz Member No.: 16 |
Hmm, possible I suppose, but my gut feeling is that Cape York won't appear so high against the far rim (i.e. we'll see a lot more of the far rim than we ever have before, before we see any of Cape York.) Too early to say for sure, tomorrows drive should tell us more about the location of that bump.
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Jul 12 2011, 09:14 AM
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#804
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The Poet Dude Group: Moderator Posts: 5551 Joined: 15-March 04 From: Kendal, Cumbria, UK Member No.: 60 |
Thanks, that's what I thought too, James. The peaks of CY will look a lot sharper and more obvious once they clear the horizon. I think that after "Approach Crater" the terrain is quite bumpy, with a few mounds and rises that are going to fool us. I'm using that big farside crater as a guide, too. The sooner we see that thing clear the horizon and start to climb higher, the better our chances of seeng CY will be.
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Jul 12 2011, 10:19 AM
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#805
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Solar System Cartographer Group: Members Posts: 10227 Joined: 5-April 05 From: Canada Member No.: 227 |
-------------------- ... because the Solar System ain't gonna map itself.
Also to be found posting similar content on https://mastodon.social/@PhilStooke Maps for download (free PDF: https://upload.wikimedia.org/wikipedia/comm...Cartography.pdf NOTE: everything created by me which I post on UMSF is considered to be in the public domain (NOT CC, public domain) |
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Jul 12 2011, 10:59 AM
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#806
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Member Group: Members Posts: 194 Joined: 3-January 10 Member No.: 5156 |
Phil: So we are just at the left side of your picture, and all the next drives we will really get better and better views. I think this will be fantastic days / weeks the next time, even if Cape York refused to be a gigantic mountain...
The crater wall crater seems now to be getting bigger, so we should be now just before the peak of this ridge on our last trek to CY. -------------------- Need more input ...
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Jul 12 2011, 11:56 AM
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#807
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The Poet Dude Group: Moderator Posts: 5551 Joined: 15-March 04 From: Kendal, Cumbria, UK Member No.: 60 |
Hmmm...
Although the "Bump" lines up nicely with the spot on the horizon where CY's peaks should appear, I don't think it is anything to do with CY. Looking at the ground around and ahead of "Approach Crater", using the IASViewer, there's a filled-in crater just a little further up the road from Approach, with some quite tall dunes in it, which may be our Bump..? And a little farther ahead, but further over, there's a kind of a ridge/dyke feature which may give us false readings as we appriach... Note: all just "having fun doing it" speculation. Any scientific accuracy is purely coincidental... Looking at the Cape York peaks in IAS it seems to me we're looking for a "twin peak" to pop up above the horizon, with a small peak to the left of a larger one. Fascinating part of the journey, absolutely fascinating... -------------------- |
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Jul 12 2011, 12:31 PM
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#808
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Senior Member Group: Members Posts: 2173 Joined: 28-December 04 From: Florida, USA Member No.: 132 |
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Jul 12 2011, 02:15 PM
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#809
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Senior Member Group: Members Posts: 2922 Joined: 14-February 06 From: Very close to the Pyrénées Mountains (France) Member No.: 682 |
we're looking for a "twin peak"..... Fascinating part of the journey, absolutely fascinating... You mean the So..journer -------------------- |
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Jul 12 2011, 02:45 PM
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#810
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Senior Member Group: Admin Posts: 4763 Joined: 15-March 05 From: Glendale, AZ Member No.: 197 |
I'm going to just jump right ahead of everyone pointing out how hard Cape York is to see, and declare that we won't see Cape York until Opportunity is parked on its summit and extends the MI looking downward. Even then it will need to be a stack of 12 over-exposed images..
There. I should have been a Yorkshireman. -------------------- If Occam had heard my theory, things would be very different now.
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