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Leaving Victoria crater
fredk
post Aug 3 2008, 08:50 PM
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I guess "to the cape" no longer applies, so a new thread is in order. From the new PS update:
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...the rover experienced a spike in the electrical current to the motor for its left front wheel, an event ominously similar to what Spirit experienced just before it lost the use of its right front wheel for good back in March 2006... Not surprisingly, the team decided without much debate that it was time for Opportunity to rove on and out of Victoria. "We want to get out of the crater as quickly as possible," Callas said


The plan is to exit via the entry route.

Also some interesting news on the next destination from the same article:
QUOTE
After roving out of Victoria Crater, Opportunity will begin a study of the cobbles on the Meridiani plains. Then, it may head for another [as yet unnamed] crater about 2 kilometers (about 1.2 miles) to the north/northwest of Victoria, Callas offered, provided of course that all revolves well with its left front wheel.
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Guest_Oersted_*
post Aug 3 2008, 08:55 PM
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Oh no, that's really sad news. Having to drive out of the crater just as we were nearing the cliff face...
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Stu
post Aug 3 2008, 08:56 PM
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Wow... she really is leaving...

OK, then thanks for showing us such sensational sights Oppy, we're all very proud of you back here. Now, get yourself out again, take a breather in the full sunshine - you've earned it - and then head on for sights and wonders new. smile.gif


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Tesheiner
post Aug 3 2008, 09:48 PM
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Well, time to leave.
It was becoming really difficult, if not impossible, to get to that wall so I understand the change of plans. In any case, if the left front wheel really stalls I have the feeling it will be "end of mobility" anywhere; here or at the plains. This terrain, Meridiani, is too sandy to drive with a stuck wheel.
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dot.dk
post Aug 3 2008, 10:17 PM
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QUOTE
Then, it may head for another [as yet unnamed] crater about 2 kilometers (about 1.2 miles) to the north/northwest of Victoria


Erebus fits that distance and heading. huh.gif


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Guest_Sunspot_*
post Aug 3 2008, 10:25 PM
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But Erebus isn't unnamed lol tongue.gif
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briv1016
post Aug 3 2008, 10:33 PM
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Do they have plans to take a full pan of the wall first or are they trying to get out of there like bat out of hell?
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nprev
post Aug 3 2008, 10:35 PM
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Guess that damn slope & the slippery terrain was just too much for her....dammit. sad.gif One hell of an effort, in any case, and safe journey to Erebus! smile.gif


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mike
post Aug 3 2008, 11:13 PM
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Huh. Do you suppose they'll get another chance to look at rock this deep? They never really imaged any of the wall closely. And now they suddenly have to leave. Most mysterious.
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Guest_Bobby_*
post Aug 4 2008, 12:10 AM
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In the current Planetary Society Mars Rover Update. Opportunity will start to explore the cobbles after leaving the slippery slopes of Victoria Crater and then head about 2 kilometers to the north/northwest from its current location to an unnamed crater. Does anyone have any overhead views which might show which crater they are talking about?

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BrianL
post Aug 4 2008, 12:51 AM
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So, it's back to Erebus. Attached Image Oh well, at least she has a track to follow now.





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nprev
post Aug 4 2008, 01:06 AM
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Gonna go out on a limb here & suggest that that wheel stall was the decision point event. The terrain here is supremely difficult, with occasional slippage rates greater than 90%; getting stuck for good right now wouldn't seem to be in the mission's best interest if they can do other things within the vehicle's capabilities.


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mike
post Aug 4 2008, 02:15 AM
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I recall them saying they'd go into the crater even if they got stuck there forever. Ah well, maybe they won't be able to make it out and they'll look at the wall after all.. I doubt there's anything comparable out on the plains.
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Shaka
post Aug 4 2008, 04:39 AM
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Yes, the maximum-age layers remain unanalyzed. sad.gif
But, truth be told, I have searched long for visually distinctive strata, and seen nothing striking.
It was always a small hope - a couple of dozen meters out of 800.
Perhaps we should strive for new horizons.

(sound of piteous sobs and sighs...)


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djellison
post Aug 4 2008, 06:25 AM
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QUOTE (mike @ Aug 4 2008, 03:15 AM) *
I recall them saying they'd go into the crater even if they got stuck there forever.


And I have explicitly heard Squyres say they're had no intention of getting stuck and always intended to get in - do science - and get out.
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