Virtual Viking, Images and animations of the Viking landing sites |
Virtual Viking, Images and animations of the Viking landing sites |
Dec 11 2010, 04:35 PM
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#76
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Junior Member Group: Members Posts: 22 Joined: 9-December 10 Member No.: 5551 |
Thanks for sharing your nice work Vanden. Next time please post your image as an attachment rather than a link to the full image. (your post above has been edited to do so.) A lot of people use slow connections or browse with their handhold phones and these large images can present a problem. Best to give people the choice of viewing the entire image. Ok, I had not seen ... Here is my low resolution color panorama : |
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Dec 13 2010, 01:09 AM
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#77
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Junior Member Group: Members Posts: 22 Joined: 9-December 10 Member No.: 5551 |
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Dec 13 2010, 01:14 AM
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#78
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Merciless Robot Group: Admin Posts: 8785 Joined: 8-December 05 From: Los Angeles Member No.: 602 |
Beautiful. Thanks!
Always love looking at Big Joe...wonder how he looks now. IIRC, V1 observed that a small part of his sand-cap fell off at one point. -------------------- A few will take this knowledge and use this power of a dream realized as a force for change, an impetus for further discovery to make less ancient dreams real.
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Dec 13 2010, 03:42 AM
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#79
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Solar System Cartographer Group: Members Posts: 10226 Joined: 5-April 05 From: Canada Member No.: 227 |
Not his cap but the drift at his base!
Phil -------------------- ... 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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Dec 13 2010, 04:13 AM
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#80
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Merciless Robot Group: Admin Posts: 8785 Joined: 8-December 05 From: Los Angeles Member No.: 602 |
Was it? I always thought that a piece of the cap fell off & impacted the base dune, but by now I should know better than to trust a 30+ yr.-old memory.
(My God...I'm old now!!!) Thanks, Phil. -------------------- A few will take this knowledge and use this power of a dream realized as a force for change, an impetus for further discovery to make less ancient dreams real.
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Dec 13 2010, 05:01 AM
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#81
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Solar System Cartographer Group: Members Posts: 10226 Joined: 5-April 05 From: Canada Member No.: 227 |
The only visible change was at the base, no change on top, so that can't be right. I'll post pics tomorrow.
Phil -------------------- ... 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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Dec 13 2010, 06:17 AM
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#82
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Merciless Robot Group: Admin Posts: 8785 Joined: 8-December 05 From: Los Angeles Member No.: 602 |
Oh, I believe you, man; love to see the pics!
As I recall, NASA stated that this was the first example of small-scale natural erosion on another world ever observed (actually, unless the MERs or Pathfinder saw something as well it might still be the only one. Not sure if the sublimation seen by Phoenix counts, and can't call the polar landslides "small-scale".) -------------------- A few will take this knowledge and use this power of a dream realized as a force for change, an impetus for further discovery to make less ancient dreams real.
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Dec 13 2010, 08:08 AM
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#83
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Senior Member Group: Admin Posts: 4763 Joined: 15-March 05 From: Glendale, AZ Member No.: 197 |
(actually, unless the MERs or Pathfinder saw something as well it might still be the only one. ) Regardless of the cause, the fresh gullies identified with MGS probably should be included, and some of them are very small. I guess it's all about where you draw the line and what falls in the category of erosion. Certainly the disappearing rover tracks is a form of natural erosion. -------------------- If Occam had heard my theory, things would be very different now.
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Dec 13 2010, 12:13 PM
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#84
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Solar System Cartographer Group: Members Posts: 10226 Joined: 5-April 05 From: Canada Member No.: 227 |
Viking 1 saw a second similar change later, as well. Spirit saw the little dust ripples move during a dust storm, with a nice animation posted on here at the time. We also saw tracks filling in with dust where we crossed old tracks (Home Plate, exiting Endurance, etc.) Pathfinder wasn't on the surface long enough to catch anything, and normally the MER rovers were not in one place long enough to see any changes.
Phil -------------------- ... 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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Dec 13 2010, 02:43 PM
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#85
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Solar System Cartographer Group: Members Posts: 10226 Joined: 5-April 05 From: Canada Member No.: 227 |
Here are the two Viking 1 changes with a little bit of super-resolution to sharpen them. This is from the forthcoming Mars Exploration atlas - first draft now finished.
Phil -------------------- ... 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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Dec 13 2010, 08:42 PM
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#86
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Solar System Cartographer Group: Members Posts: 10226 Joined: 5-April 05 From: Canada Member No.: 227 |
I should add that the Viking Lander imagery is ripe for re-analysis, looking for smaller overlooked changes. It can be tricky getting the lighting similar enough, but there's lots to do here.
Phil -------------------- ... 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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Dec 14 2010, 01:49 AM
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#87
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Merciless Robot Group: Admin Posts: 8785 Joined: 8-December 05 From: Los Angeles Member No.: 602 |
Awesome. I forgot all about the Whale slump.
Thanks, Phil; anxiously awaiting publication of your atlas!!! -------------------- A few will take this knowledge and use this power of a dream realized as a force for change, an impetus for further discovery to make less ancient dreams real.
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Jan 13 2011, 06:03 PM
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#88
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Solar System Cartographer Group: Members Posts: 10226 Joined: 5-April 05 From: Canada Member No.: 227 |
Here's another comparison image showing changes at the VL1 site:
Conical Piles 2, 3 and 5 were constructed to see if wind would erode them during the mission. In the long automated mode imaging period late in the mission, one of the targets they covered was this area with three soil piles. Sure enough, more than 2000 sols into the mission, all three piles were found to have disappeared. Ray Arvidson et al. described the change in a paper in Science in 1983. Phil -------------------- ... 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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Jan 13 2011, 06:22 PM
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#89
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The Poet Dude Group: Moderator Posts: 5551 Joined: 15-March 04 From: Kendal, Cumbria, UK Member No.: 60 |
That's fascinating Phil, thanks. I honestly wasn't aware they'd even done that.
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Jan 15 2011, 11:45 PM
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#90
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Senior Member Group: Members Posts: 1669 Joined: 5-March 05 From: Boulder, CO Member No.: 184 |
And here a portion of the assembly: Vanden, very nice to see your efforts as I'm catching up on this thread. Glad to see the lowres / hires combination is working. Seeing all the details that Viking showed, and in color really does better justice to the imagery. -------------------- Steve [ my home page and planetary maps page ]
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