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Beyond Lewis and Clark Gap, Sol 4482- (September 2, 2016-)
fredk
post Sep 2 2016, 06:05 PM
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Our first good look through the gap:
http://qt.exploratorium.edu/mars/opportuni...0M1.JPG?sol4482
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Phil Stooke
post Sep 2 2016, 06:08 PM
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Beat me to it, fredk! This is the start of a whole new adventure - and a new thread, methinks.

Phil



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fredk
post Sep 3 2016, 01:53 AM
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And according to Crumpler, we are headed eastwards, ie straight downslope, after threading the gap.
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elakdawalla
post Sep 3 2016, 06:03 PM
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QUOTE (Phil Stooke @ Sep 2 2016, 11:08 AM) *
Beat me to it, fredk! This is the start of a whole new adventure - and a new thread, methinks.

Seems right, so I made a new thread. I'll rename it if this valley gets a name!


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charborob
post Sep 3 2016, 08:02 PM
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Sol 4483 Lpancam. Reminds me of Lindbergh mound.
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Floyd
post Sep 4 2016, 09:28 PM
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This is the best map I could find, but ends just where we want to see where we are going. Can anyone link a better wide view map, or one with an elevation grid?



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fredk
post Sep 4 2016, 10:46 PM
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This official route map has contours and extends a ways south and east of Marathon. (We should move this to the new thread.) [MOD: DONE.]
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charborob
post Sep 5 2016, 01:00 AM
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Sol 4484 Lpancam view of Plymouth II and Wharton Ridge:
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Floyd
post Sep 8 2016, 01:00 AM
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Thanks fredk, the official route map is great. However, I don't see any difference in the slope of the two valleys. So does anyone understand why we couldn't go down Marathon valley to the bottom and we can this new valley?


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marsophile
post Sep 8 2016, 02:32 AM
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My take on this is that we could go down Marathon Valley, but then we could not come back up in order to go down this other valley, which is what we want to do for science reasons.
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vjkane
post Sep 8 2016, 03:54 PM
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QUOTE (fredk @ Sep 4 2016, 03:46 PM) *
This official route map has contours and extends a ways south and east of Marathon. (We should move this to the new thread.) [MOD: DONE.]

Would it be possible for someone to do a version of this map that shows the gulley that is the goal of this extended mission?


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Phil Stooke
post Sep 8 2016, 04:07 PM
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My impression - without a direct link to the mission team - is that the rover will not go all the way to the bottom until it reaches the gulley area. Where we are now the valleys slope down until they reach areas with too much loose debris on them, making a climb back up very uncertain. So they can go up and down as targets present themselves, to a certain point but not beyond.

Phil


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Sean
post Sep 8 2016, 04:44 PM
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I hope this doesn't qualify as spam...but here is a delicious 3D model of the area;

Marathon Valley @Sketchfab





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atomoid
post Sep 8 2016, 11:00 PM
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QUOTE (vjkane @ Sep 8 2016, 08:54 AM) *
Would it be possible for someone to do a version of this map that shows the gulley that is the goal of this extended mission?

The location of the gully doesn't appear to be covered by that map, but big THANKS to Sean who has made it easy and indeed delicious fun for us to explore certain areas in high resolution by sharing his Sketchfab projects.
Here's an excerpt from that showing (1) approx sol4488 and (2) that bright dome and (3) the presumptive gulley, further detailed in Post #314 of the Marathon Valley thread (IPBoard cross-thread linking doesn't seem to work)
I'd venture a guess Oppy will traverse at various elevations along the ridge distracted by ad-hoc targets as it makes its way south to (presumed) gully.
Attached Image
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Phil Stooke
post Sep 11 2016, 01:52 PM
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Wharton Ridge... do we know where the name comes from? I'm thinking it may commemorate Robert A. Wharton of the Desert Research Institute in Reno, Nevada, who died on 19 September 2012. He conducted research on Antarctic ice-covered lakes with similarities to possible environments on early Mars.

Phil


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