Marathon Valley, Sol 4078-4481 (July 15, 2015 - September 1, 2016) |
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Marathon Valley, Sol 4078-4481 (July 15, 2015 - September 1, 2016) |
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#1
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![]() Senior Member ![]() ![]() ![]() ![]() Group: Members Posts: 4252 Joined: 17-January 05 Member No.: 152 ![]() |
It looks like we had a pretty good drive on 4078 roughly to the east (or NE) and now have a better view down into Marathon Valley:
http://qt.exploratorium.edu/mars/opportuni...0M1.JPG?sol4078 (Yes, we are still paying attention, Oppy!) |
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#2
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![]() Member ![]() ![]() ![]() Group: Members Posts: 267 Joined: 5-February 06 Member No.: 675 ![]() |
At first glance the sand in Marathon Valley looks treacherous.
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#3
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Member ![]() ![]() ![]() Group: Members Posts: 915 Joined: 4-September 06 From: Boston Member No.: 1102 ![]() |
It looks like we had a pretty good drive on 4078 roughly to the east (or NE) and now have a better view down into Marathon Valley: http://qt.exploratorium.edu/mars/opportuni...0M1.JPG?sol4078 (Yes, we are still paying attention, Oppy!) There is a black rock in the left foreground that looks just like an oil glob on a sandy beach (ie Santa Barbara, California). No problem if it is oil, NASA recently demonstrated the ability to identify oil globs by plane or satellite spectral imaging :-). -------------------- |
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#4
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![]() Member ![]() ![]() ![]() Group: Members Posts: 866 Joined: 15-March 05 From: Santa Cruz, CA Member No.: 196 ![]() |
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#5
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![]() Merciless Robot ![]() ![]() ![]() ![]() Group: Admin Posts: 8784 Joined: 8-December 05 From: Los Angeles Member No.: 602 ![]() |
My first guess would be a stony meteorite with a nice thick fusion crust. Odd looking thing.
Could be quite fresh if that's what it is. -------------------- 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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#6
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Senior Member ![]() ![]() ![]() ![]() Group: Members Posts: 2842 Joined: 22-April 05 From: Ridderkerk, Netherlands Member No.: 353 ![]() |
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#7
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![]() Junior Member ![]() ![]() Group: Members Posts: 30 Joined: 3-October 07 From: Fátima - Portugal Member No.: 3927 ![]() |
One more wonderful panorama Jan. It remember me when we came from volcanoes in Chile and you come down to the Atacama Plateau. Very peaceful and quiet.
And by the way, you put Sol "1048" in the panorama. Did we come back in time? ![]() |
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#8
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![]() Senior Member ![]() ![]() ![]() ![]() Group: Members Posts: 4252 Joined: 17-January 05 Member No.: 152 ![]() |
Lovely view openning up after the 4079 drive to the east:
http://qt.exploratorium.edu/mars/opportuni...0M1.JPG?sol4079 I think we're seeing Argos along the right edge of that frame, and the large light-toned ridge above centre is the feature to the lower left of the "Marathon Valley" label in Phil's map. |
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#9
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Senior Member ![]() ![]() ![]() ![]() Group: Members Posts: 2842 Joined: 22-April 05 From: Ridderkerk, Netherlands Member No.: 353 ![]() |
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#10
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Senior Member ![]() ![]() ![]() ![]() Group: Members Posts: 2842 Joined: 22-April 05 From: Ridderkerk, Netherlands Member No.: 353 ![]() |
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#11
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![]() Member ![]() ![]() ![]() Group: Members Posts: 754 Joined: 9-February 07 Member No.: 1700 ![]() |
This view needs an Ennio Morricone theme! Thanks all for the disseminating and image processing.
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#12
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![]() Member ![]() ![]() ![]() Group: Members Posts: 334 Joined: 11-December 12 From: The home of Corby Crater (Corby-England) Member No.: 6783 ![]() |
NavCam anaglyph from Sol 4081, into the valley indeed. It's like looking across the sands into 'The Wash' in North Norfolk, only I can't tell if the tide is going out or coming in.
![]() Here is a nice calm soundtrack to take us into this tranquill looking valley. https://www.youtube.com/watch?v=kXVhh7TKgcA (Listen to the soundtrack while looking at the view) ![]() |
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#13
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![]() Member ![]() ![]() ![]() Group: Members Posts: 334 Joined: 11-December 12 From: The home of Corby Crater (Corby-England) Member No.: 6783 ![]() |
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#14
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![]() Member ![]() ![]() ![]() Group: Members Posts: 237 Joined: 22-December 07 From: Alice Springs, N.T. Australia Member No.: 3989 ![]() |
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#15
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![]() Senior Member ![]() ![]() ![]() ![]() Group: Moderator Posts: 2262 Joined: 9-February 04 From: Melbourne - Oz Member No.: 16 ![]() |
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#16
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![]() Member ![]() ![]() ![]() Group: Members Posts: 334 Joined: 11-December 12 From: The home of Corby Crater (Corby-England) Member No.: 6783 ![]() |
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#17
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Senior Member ![]() ![]() ![]() ![]() Group: Members Posts: 2842 Joined: 22-April 05 From: Ridderkerk, Netherlands Member No.: 353 ![]() |
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#18
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![]() Member ![]() ![]() ![]() Group: Members Posts: 866 Joined: 15-March 05 From: Santa Cruz, CA Member No.: 196 ![]() |
Here's to hoping the team considers the scientific value of nudging a candidate boulder on its way down the slope!
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#19
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![]() Senior Member ![]() ![]() ![]() ![]() Group: Moderator Posts: 2262 Joined: 9-February 04 From: Melbourne - Oz Member No.: 16 ![]() |
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#20
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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 ![]() |
It looks like a windy place. We will probably have some solar panel cleaning soon...
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#21
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![]() Member ![]() ![]() ![]() Group: Members Posts: 334 Joined: 11-December 12 From: The home of Corby Crater (Corby-England) Member No.: 6783 ![]() |
If they decide to try atomoids' suggestion (#18) it won't be the solar panels that need cleaning, it will be the seating panels back here on Earth!
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#22
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![]() Junior Member ![]() ![]() Group: Members Posts: 30 Joined: 3-October 07 From: Fátima - Portugal Member No.: 3927 ![]() |
Cruzeiro do Sul you are right. I missed that completely. Here is the correct one, especially for you. Jan van Driel Thanks Jan and sorry for my very poor English, but it's not my first language...by far, but i have to say that your work (and those of others members of this forum) with these Mars images amaze me and i am so grateful for that. |
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#23
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![]() Member ![]() ![]() ![]() Group: Members Posts: 237 Joined: 22-December 07 From: Alice Springs, N.T. Australia Member No.: 3989 ![]() |
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#24
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Senior Member ![]() ![]() ![]() ![]() Group: Members Posts: 2842 Joined: 22-April 05 From: Ridderkerk, Netherlands Member No.: 353 ![]() |
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#25
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![]() Member ![]() ![]() ![]() Group: Members Posts: 866 Joined: 15-March 05 From: Santa Cruz, CA Member No.: 196 ![]() |
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#26
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![]() Member ![]() ![]() ![]() Group: Members Posts: 146 Joined: 22-November 14 From: Bormida (SV) - Italy Member No.: 7348 ![]() |
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#27
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Senior Member ![]() ![]() ![]() ![]() Group: Members Posts: 2842 Joined: 22-April 05 From: Ridderkerk, Netherlands Member No.: 353 ![]() |
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#28
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Senior Member ![]() ![]() ![]() ![]() Group: Members Posts: 2842 Joined: 22-April 05 From: Ridderkerk, Netherlands Member No.: 353 ![]() |
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#29
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Senior Member ![]() ![]() ![]() ![]() Group: Members Posts: 2842 Joined: 22-April 05 From: Ridderkerk, Netherlands Member No.: 353 ![]() |
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#30
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![]() Senior Member ![]() ![]() ![]() ![]() Group: Moderator Posts: 2262 Joined: 9-February 04 From: Melbourne - Oz Member No.: 16 ![]() |
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#31
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Junior Member ![]() ![]() Group: Members Posts: 62 Joined: 11-July 11 Member No.: 6058 ![]() |
Wow. That is stunning.
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#32
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![]() Member ![]() ![]() ![]() Group: Members Posts: 334 Joined: 11-December 12 From: The home of Corby Crater (Corby-England) Member No.: 6783 ![]() |
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#33
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![]() Senior Member ![]() ![]() ![]() ![]() Group: Moderator Posts: 2262 Joined: 9-February 04 From: Melbourne - Oz Member No.: 16 ![]() |
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#34
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Senior Member ![]() ![]() ![]() ![]() Group: Members Posts: 1074 Joined: 21-September 07 From: Québec, Canada Member No.: 3908 ![]() |
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#35
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![]() Senior Member ![]() ![]() ![]() ![]() Group: Moderator Posts: 2262 Joined: 9-February 04 From: Melbourne - Oz Member No.: 16 ![]() |
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#36
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![]() Senior Member ![]() ![]() ![]() ![]() Group: Moderator Posts: 2262 Joined: 9-February 04 From: Melbourne - Oz Member No.: 16 ![]() |
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#37
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![]() Senior Member ![]() ![]() ![]() ![]() Group: Members Posts: 4252 Joined: 17-January 05 Member No.: 152 ![]() |
Tentative plan for the explortion of Marathon Valley, from the latest PS update:
QUOTE From Private Reubin Field, Opportunity will loop around Marathon Valley on her walkabout. "We have about five stops identified along the north rim, before we circle around to the southern part of Marathon Valley where we see north-facing slopes that will improve our power by the time winter comes," said Golombek.
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#38
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Member ![]() ![]() ![]() Group: Members Posts: 252 Joined: 27-April 05 Member No.: 365 ![]() |
They should call that view of the rocks on the slope "Rush Hour at Marathon Valley" - nothing is moving but you sure get a sense of movement.
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#39
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Senior Member ![]() ![]() ![]() ![]() Group: Members Posts: 2842 Joined: 22-April 05 From: Ridderkerk, Netherlands Member No.: 353 ![]() |
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#40
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Senior Member ![]() ![]() ![]() ![]() Group: Members Posts: 2842 Joined: 22-April 05 From: Ridderkerk, Netherlands Member No.: 353 ![]() |
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#41
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![]() Member ![]() ![]() ![]() Group: Members Posts: 813 Joined: 8-February 04 From: Arabia Terra Member No.: 12 ![]() |
Very filmic this spot. Someone should shoot a western here.
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#42
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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 ![]() |
Very filmic this spot. Someone should shoot a western here. ![]() Marathon Monument + Marathon Valley = Monument Valley. So, you're mathematicaly correct ![]() -------------------- |
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#43
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Senior Member ![]() ![]() ![]() ![]() Group: Members Posts: 1074 Joined: 21-September 07 From: Québec, Canada Member No.: 3908 ![]() |
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#44
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![]() Member ![]() ![]() ![]() Group: Members Posts: 334 Joined: 11-December 12 From: The home of Corby Crater (Corby-England) Member No.: 6783 ![]() |
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#45
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![]() Member ![]() ![]() ![]() Group: Members Posts: 334 Joined: 11-December 12 From: The home of Corby Crater (Corby-England) Member No.: 6783 ![]() |
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#46
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![]() Senior Member ![]() ![]() ![]() ![]() Group: Members Posts: 3516 Joined: 4-November 05 From: North Wales Member No.: 542 ![]() |
Oops - I thought the previous one was an anaglyph because it has coloured fringes on the skyline. Anyway both are much appreciated.
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#47
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![]() Member ![]() ![]() ![]() Group: Members Posts: 334 Joined: 11-December 12 From: The home of Corby Crater (Corby-England) Member No.: 6783 ![]() |
Now that's exactly what I meant by somebody else making a better job of it!!
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#48
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![]() Member ![]() ![]() ![]() Group: Members Posts: 334 Joined: 11-December 12 From: The home of Corby Crater (Corby-England) Member No.: 6783 ![]() |
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#49
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![]() Member ![]() ![]() ![]() Group: Members Posts: 334 Joined: 11-December 12 From: The home of Corby Crater (Corby-England) Member No.: 6783 ![]() |
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#50
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![]() Senior Member ![]() ![]() ![]() ![]() Group: Members Posts: 3516 Joined: 4-November 05 From: North Wales Member No.: 542 ![]() |
Very nice! Can anyone shed light on whether these are depositional layers, parallel erosion surfaces or something else?
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#51
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![]() Member ![]() ![]() ![]() Group: Members Posts: 146 Joined: 22-November 14 From: Bormida (SV) - Italy Member No.: 7348 ![]() |
Mosaic sol 1408
![]() and HazCam in color, left and right, sol 4107 (using the variations of light as filters) ![]() -------------------- |
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#52
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![]() Senior Member ![]() ![]() ![]() ![]() Group: Members Posts: 1089 Joined: 19-February 05 From: Close to Meudon Observatory in France Member No.: 172 ![]() |
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#53
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![]() Member ![]() ![]() ![]() Group: Members Posts: 866 Joined: 15-March 05 From: Santa Cruz, CA Member No.: 196 ![]() |
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#54
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![]() Member ![]() ![]() ![]() Group: Members Posts: 866 Joined: 15-March 05 From: Santa Cruz, CA Member No.: 196 ![]() |
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#55
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![]() Senior Member ![]() ![]() ![]() ![]() Group: Members Posts: 4252 Joined: 17-January 05 Member No.: 152 ![]() |
It looks like we may be heading into those boulders next, according to Crumpler's blog.
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#56
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![]() Member ![]() ![]() ![]() Group: Members Posts: 866 Joined: 15-March 05 From: Santa Cruz, CA Member No.: 196 ![]() |
..Crumpler curiously calls them "dark float rocks", or perhaps that's just a parcel of geologic nomenclature.. i'm inferring they haven't yet definitively spotted smectite from pancam data and are relying on low res orbital data and best hunches to pick the prospective targets to get a profile.. here's Larry's rendering in native resolution:
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#57
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![]() Administrator ![]() ![]() ![]() ![]() Group: Admin Posts: 5172 Joined: 4-August 05 From: Pasadena, CA, USA, Earth Member No.: 454 ![]() |
"Float" is a term for rocks that have broken from their source rock, so they're no longer in place; they lack context (except that they probably originated upslope). Geologists prefer to analyze bedrock rather than float when they can, but the rovers are often forced to look at float rocks rather than outcrop higher up because of terrain trafficability issues. What they do try to do is find float that hasn't traveled far, where you can see the scar that it left behind on the outcrop so you be reasonably sure you know its initial position and orientation.
-------------------- My website - My Patreon - @elakdawalla on Twitter - Please support unmannedspaceflight.com by donating here.
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#58
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![]() Senior Member ![]() ![]() ![]() ![]() Group: Members Posts: 2173 Joined: 28-December 04 From: Florida, USA Member No.: 132 ![]() |
I was surprised to see that the area of smectite detection by CRISM shown in Crumpler's blog encompasses the floor of the valley almost to the exclusion of the bordering layers of bedrock. But maybe the resolution is such that a distinction cannot be made and the outline around the valley floor is misleading if taken as a hard fact.
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#59
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![]() Senior Member ![]() ![]() ![]() ![]() Group: Members Posts: 3516 Joined: 4-November 05 From: North Wales Member No.: 542 ![]() |
Larry Crumpler's field reports are always very informative but this one excels in the amount of information in the illustrations. We even have the angles of dip in the foliations within the rocks in view. Foliation, if I'm not msitaken, is a word for layers in rocks where it seems unlikely that they're sedimentary layers.
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#60
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Member ![]() ![]() ![]() Group: Members Posts: 915 Joined: 4-September 06 From: Boston Member No.: 1102 ![]() |
Opportunity is still alive and exploring Marathon Valley. Seems like UMSF has sort of ignored her for the past two weeks.
The monthly report by A.J.S. Rayl came out 9/3 Link -------------------- |
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#61
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![]() Member ![]() ![]() ![]() Group: Members Posts: 866 Joined: 15-March 05 From: Santa Cruz, CA Member No.: 196 ![]() |
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#62
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![]() Senior Member ![]() ![]() ![]() ![]() Group: Moderator Posts: 2262 Joined: 9-February 04 From: Melbourne - Oz Member No.: 16 ![]() |
Just been catching up on what Oppy was up to while I was on holiday. Here is the view of the Northwest wall from a week or two back.
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#63
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Senior Member ![]() ![]() ![]() ![]() Group: Members Posts: 2842 Joined: 22-April 05 From: Ridderkerk, Netherlands Member No.: 353 ![]() |
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#64
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![]() Member ![]() ![]() ![]() Group: Members Posts: 334 Joined: 11-December 12 From: The home of Corby Crater (Corby-England) Member No.: 6783 ![]() |
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#65
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Senior Member ![]() ![]() ![]() ![]() Group: Members Posts: 2842 Joined: 22-April 05 From: Ridderkerk, Netherlands Member No.: 353 ![]() |
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#66
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![]() Senior Member ![]() ![]() ![]() ![]() Group: Moderator Posts: 2262 Joined: 9-February 04 From: Melbourne - Oz Member No.: 16 ![]() |
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#67
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![]() Senior Member ![]() ![]() ![]() ![]() Group: Moderator Posts: 2262 Joined: 9-February 04 From: Melbourne - Oz Member No.: 16 ![]() |
A great look across Endeavour Crater which just about overlaps with the mosaic of Marathon Valley floor from a couple of sols back.
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#68
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Senior Member ![]() ![]() ![]() ![]() Group: Members Posts: 2842 Joined: 22-April 05 From: Ridderkerk, Netherlands Member No.: 353 ![]() |
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#69
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Senior Member ![]() ![]() ![]() ![]() Group: Members Posts: 2842 Joined: 22-April 05 From: Ridderkerk, Netherlands Member No.: 353 ![]() |
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#70
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Senior Member ![]() ![]() ![]() ![]() Group: Members Posts: 2842 Joined: 22-April 05 From: Ridderkerk, Netherlands Member No.: 353 ![]() |
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#71
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Solar System Cartographer ![]() ![]() ![]() ![]() Group: Members Posts: 10196 Joined: 5-April 05 From: Canada Member No.: 227 ![]() |
This is part of the valley floor mosaic I'm working on. Control is from HiRISE, details from reprojected panoramas. You get a sense of the complicated patterns in the bedrock here. This covers all the recent activities over sols 4081-4152.
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 PD: 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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#72
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Senior Member ![]() ![]() ![]() ![]() Group: Members Posts: 2842 Joined: 22-April 05 From: Ridderkerk, Netherlands Member No.: 353 ![]() |
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#73
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Senior Member ![]() ![]() ![]() ![]() Group: Members Posts: 2842 Joined: 22-April 05 From: Ridderkerk, Netherlands Member No.: 353 ![]() |
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#74
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Solar System Cartographer ![]() ![]() ![]() ![]() Group: Members Posts: 10196 Joined: 5-April 05 From: Canada Member No.: 227 ![]() |
This is a circular view - a bit distorted by the slope and my efforts to overcome that - of Jan's pan from sols 4147-4149. The pattern of outcrops shows up quite well.
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 PD: 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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#75
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Senior Member ![]() ![]() ![]() ![]() Group: Members Posts: 2842 Joined: 22-April 05 From: Ridderkerk, Netherlands Member No.: 353 ![]() |
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#76
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![]() Member ![]() ![]() ![]() Group: Members Posts: 866 Joined: 15-March 05 From: Santa Cruz, CA Member No.: 196 ![]() |
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#77
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![]() Senior Member ![]() ![]() ![]() ![]() Group: Moderator Posts: 2262 Joined: 9-February 04 From: Melbourne - Oz Member No.: 16 ![]() |
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#78
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Senior Member ![]() ![]() ![]() ![]() Group: Members Posts: 2842 Joined: 22-April 05 From: Ridderkerk, Netherlands Member No.: 353 ![]() |
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#79
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Senior Member ![]() ![]() ![]() ![]() Group: Members Posts: 2842 Joined: 22-April 05 From: Ridderkerk, Netherlands Member No.: 353 ![]() |
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#80
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Senior Member ![]() ![]() ![]() ![]() Group: Members Posts: 2842 Joined: 22-April 05 From: Ridderkerk, Netherlands Member No.: 353 ![]() |
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#81
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![]() Senior Member ![]() ![]() ![]() ![]() Group: Moderator Posts: 2262 Joined: 9-February 04 From: Melbourne - Oz Member No.: 16 ![]() |
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#82
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![]() Merciless Robot ![]() ![]() ![]() ![]() Group: Admin Posts: 8784 Joined: 8-December 05 From: Los Angeles Member No.: 602 ![]() |
MOD NOTE: 10 posts directly or indirectly related to politics--including mine--removed in accordance with rule 1.2.
We're just not gonna do this. -------------------- 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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#83
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![]() Member ![]() ![]() ![]() Group: Members Posts: 334 Joined: 11-December 12 From: The home of Corby Crater (Corby-England) Member No.: 6783 ![]() |
That's a shame, those ten posts were filling in a three day image gap !
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#84
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![]() Member ![]() ![]() ![]() Group: Members Posts: 866 Joined: 15-March 05 From: Santa Cruz, CA Member No.: 196 ![]() |
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#85
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![]() Member ![]() ![]() ![]() Group: Members Posts: 146 Joined: 22-November 14 From: Bormida (SV) - Italy Member No.: 7348 ![]() |
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#86
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Senior Member ![]() ![]() ![]() ![]() Group: Members Posts: 1074 Joined: 21-September 07 From: Québec, Canada Member No.: 3908 ![]() |
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#87
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![]() Senior Member ![]() ![]() ![]() ![]() Group: Moderator Posts: 2262 Joined: 9-February 04 From: Melbourne - Oz Member No.: 16 ![]() |
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#88
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![]() Member ![]() ![]() ![]() Group: Members Posts: 691 Joined: 21-December 07 From: Clatskanie, Oregon Member No.: 3988 ![]() |
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#89
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![]() Senior Member ![]() ![]() ![]() ![]() Group: Members Posts: 1089 Joined: 19-February 05 From: Close to Meudon Observatory in France Member No.: 172 ![]() |
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#90
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![]() Member ![]() ![]() ![]() Group: Members Posts: 691 Joined: 21-December 07 From: Clatskanie, Oregon Member No.: 3988 ![]() |
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#91
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![]() Member ![]() ![]() ![]() Group: Members Posts: 691 Joined: 21-December 07 From: Clatskanie, Oregon Member No.: 3988 ![]() |
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#92
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![]() Senior Member ![]() ![]() ![]() ![]() Group: Members Posts: 2091 Joined: 13-February 10 From: Ontario Member No.: 5221 ![]() |
Fantastic work James! Awe-inspiring....
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#93
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![]() Member ![]() ![]() ![]() Group: Members Posts: 691 Joined: 21-December 07 From: Clatskanie, Oregon Member No.: 3988 ![]() |
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#94
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![]() Senior Member ![]() ![]() ![]() ![]() Group: Members Posts: 1089 Joined: 19-February 05 From: Close to Meudon Observatory in France Member No.: 172 ![]() |
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#95
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Senior Member ![]() ![]() ![]() ![]() Group: Members Posts: 1074 Joined: 21-September 07 From: Québec, Canada Member No.: 3908 ![]() |
Opportunity moved on sol 4200. Notice the shadow of the rim on the crater floor on this image.
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#96
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Solar System Cartographer ![]() ![]() ![]() ![]() Group: Members Posts: 10196 Joined: 5-April 05 From: Canada Member No.: 227 ![]() |
Yes! I don't remember seeing a shadow before. Maybe there have been images which I just overlooked.
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 PD: 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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#97
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![]() Senior Member ![]() ![]() ![]() ![]() Group: Members Posts: 4252 Joined: 17-January 05 Member No.: 152 ![]() |
There was sol 2847 with some lovely views such as this one, which shows an "opposition surge" at the anti-solar point:
http://mars.nasa.gov/mer/gallery/all/1/p/2...43P2445L2M1.JPG There were some lovely colour mosaics made, see the old thread starting around here. I agree the new 4200 navcams are stunning. And I suspect we can see the opposition surge again in this frame: http://mars.nasa.gov/mer/gallery/all/1/n/4...OZP1685R0M1.JPG though someone should check the azimuths. |
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#98
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![]() Member ![]() ![]() ![]() Group: Members Posts: 866 Joined: 15-March 05 From: Santa Cruz, CA Member No.: 196 ![]() |
i really liked the ones in shadow from sol4200 but sol4201 are even better. ICE chokes horribly on the righthand R image for some reason, so here's anaglyph of the other two pairs
"opposition surge", so thats what its called, thanks.. i've noticed this interesting effect quite a bit carpooling when one can actually get a chance to stare at at landscapes on low-angle sunny mornings, its especially apparent in iceplant type vegetation, i thought the effect aside from shadow hiding was just a prismatic reflection in plant epidermal cells but perhaps thats implicit as an aspect of the wiki's very brief coherent backscatter explanation. |
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#99
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![]() Senior Member ![]() ![]() ![]() ![]() Group: Moderator Posts: 2262 Joined: 9-February 04 From: Melbourne - Oz Member No.: 16 ![]() |
Speaking of shadows, note the one on the left here.
![]() http://www.midnightplanets.com/web/MERB/im...ZP1211L0M1.html -------------------- |
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#100
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![]() Senior Member ![]() ![]() ![]() ![]() Group: Admin Posts: 3108 Joined: 21-December 05 From: Canberra, Australia Member No.: 615 ![]() |
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