Endeavour Crater, And again shall we conquer the Remoteness |
Endeavour Crater, And again shall we conquer the Remoteness |
Sep 29 2008, 03:13 PM
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#201
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Special Cookie Group: Members Posts: 2168 Joined: 6-April 05 From: Sintra | Portugal Member No.: 228 |
Opportunity is getting ready to embark on her most extraordinary journey, a true rover epic.
As information regarding how to win the distance are being collected here, and the emotional last views from Victoria Crater are being discussed here, I thought about creating a new thread that will surely become an obligatory stop as the tall peaks and other features of Endeavour start to rise in the horizon. Here we will be able to discuss the location of features seen from the distance, references that will help us understanding better what we are seing and that will, fortunately, feed our spirit across the long sail across the Meridiani sandwaves. Ultreya! I give it a kick with this navcam image, comparing it with Astro0's original (beautiful...) image: I'm sure James Canvin will correct me... EDITED: I can't resist...I tried! I honestly tried, but it is stronger than me...so many features ahead and not a single name?! Seriously, at Victoria we had features named after places visited by the vessel, and now for Endeavour? Assuming that Oppy will succeed on her quest will the mission keep the same policy, of naming places after Endeavour's tour? If so, there may be some names in common with Victoria... While we are ready to leave the port once more I remembered that we could start naming, internally, (in order to have catchier landmark references... ) these features, as they loom in the horizon, after the ship's crew. We could follow the order presented here. Let me just edit the image up there... -------------------- "Ride, boldly ride," The shade replied, "If you seek for Eldorado!"
Edgar Alan Poe |
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Jun 1 2009, 08:45 PM
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#202
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Solar System Cartographer Group: Members Posts: 10166 Joined: 5-April 05 From: Canada Member No.: 227 |
I don't think Endeavour's rim will consist of the same rocks we've seen so far. The previous examples were in small craters excavated in those sandstones. My impression of Endeavour is that it's an old crater, part of the cratered terrain underlying Meridiani Planum. I think it's being exhumed by the removal of Meridiani Planum materials, but its rim materials will be very different.
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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Jun 2 2009, 11:57 AM
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#203
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Member Group: Members Posts: 206 Joined: 15-August 07 From: Shrewsbury, Shropshire Member No.: 3233 |
I don't think Endeavour's rim will consist of the same rocks we've seen so far. The previous examples were in small craters excavated in those sandstones. My impression of Endeavour is that it's an old crater, part of the cratered terrain underlying Meridiani Planum. I think it's being exhumed by the removal of Meridiani Planum materials, but its rim materials will be very different. Phil It seems reasonable that Endurance might be an old crater that once was completely buried in meridiani deposits and is now being slowly exhumed. However, the question that I would like to ask is what the process was by which the meridiani sediments that once filled Endeavour to the brim were selectively removed from the centre of Endeavour crater leaving the deep hole that can be seen today. Gale crater is an old crater that was once completely buried in sediments. However, in the case of Gale crater the sediments in the centre of the crater remain and it is the sediments outside the crater that have been selectively eroded: http://marsoweb.nas.nasa.gov/landingsites/..._etal_Jun08.pdf EDIT: I supose that it is possible that Endeavour was never fully filled with Meridiani sediments and so there would be no need to provide an explanation of how they were later removed. However, what this does imply is that if the line around the ancient hills was a shoreline then at that time Endeavour crater would have been a 500m deep lake. |
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