Dark Streaks At Victoria Crater, MGS: MOC image |
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Dark Streaks At Victoria Crater, MGS: MOC image |
 Dec 24 2005, 09:58 PM
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#31
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Member  Group: Members Posts: 548 Joined: 19-March 05 From: Princeton, NJ, USA Member No.: 212  |
QUOTE (Bill Harris @ Dec 24 2005, 09:36 PM) In the Forum Get-together discussion there was a suggestion made to meet in Arizona so that a field trip to the Barringer crater could be done. That got me to thinking about how Barringer compares to Victoria, and the following image is what hatched... Enjoy! --Bill  Great Idea, Bill just needs some labeling with ID, width, direction, etc At the Hayden on 12/12/05 Steve Squyres indicated that Victoria is the next big target, but would not predict if or when it can be reached. |
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Dec 24 2005, 10:13 PM
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#32
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 Senior Member Group: Admin Posts: 4763 Joined: 15-March 05 From: Glendale, AZ Member No.: 197 |
QUOTE (Bill Harris @ Dec 24 2005, 09:36 PM) That got me to thinking about how Barringer compares to Victoria, and the following image is what hatched... This is to scale then? Amazing. I had imagined Victoria as much larger. I've walked the entire rim of Barringer. It's a long walk, but I don't consider it to be all that large. -------------------- If Occam had heard my theory, things would be very different now.
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Dec 24 2005, 11:31 PM
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#33
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Member Group: Members Posts: 235 Joined: 2-August 05 Member No.: 451 |
QUOTE (Bill Harris @ Dec 24 2005, 04:36 PM) In the Forum Get-together discussion there was a suggestion made to meet in Arizona so that a field trip to the Barringer crater could be done. That got me to thinking about how Barringer compares to Victoria, and the following image is what hatched... Enjoy! --Bill I don't know the dimensions of Victoria, but I had the impression that Victoria was a good bit larger than Barringer. Is your side by side to scale? Did I have the wrong impression? |
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Dec 25 2005, 01:01 AM
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#34
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Founder Group: Chairman Posts: 14431 Joined: 8-February 04 Member No.: 1 |
Barringer's only about 1.5k across iirc, whereas Victoria is only 700ish M across
The scale is certainly right for the ballpark figures I've seen Doug |
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Dec 25 2005, 01:15 AM
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#35
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Member Group: Members Posts: 235 Joined: 2-August 05 Member No.: 451 |
QUOTE (djellison @ Dec 24 2005, 08:01 PM) Barringer's only about 1.5k across iirc, whereas Victoria is only 700ish M across The scale is certainly right for the ballpark figures I've seen Doug Thanks for setting me straight Doug. |
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Dec 25 2005, 02:08 AM
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#36
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Senior Member Group: Members Posts: 2998 Joined: 30-October 04 Member No.: 105 |
Message text revised, image updated. Teach me to put up an image and dash out shopping!
I've been to Barringer Crater, and this _does_ give a sense of scale to Victoria. --Bill -------------------- |
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Dec 25 2005, 01:58 PM
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#37
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Founder Group: Chairman Posts: 14431 Joined: 8-February 04 Member No.: 1 |
Reading Levy's book about Shoemaker - they mention the crater being 1.2km across (so a walk around it is about 3.5km )
Doug |
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Dec 25 2005, 03:55 PM
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#38
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 Member Group: Members Posts: 648 Joined: 9-May 05 From: Subotica Member No.: 384 |
QUOTE (ElkGroveDan @ Dec 25 2005, 01:13 AM) This is to scale then? Amazing. I had imagined Victoria as much larger. I've walked the entire rim of Barringer. It's a long walk, but I don't consider it to be all that large. ...and you do have some images taken...right?  Don't know about others but I would verry much like to see them... Is there a posibility? -------------------- The scientist does not study nature because it is useful; he studies it because he delights in it, and he delights in it because it is beautiful.
Jules H. Poincare My "Astrophotos" gallery on flickr... |
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Dec 25 2005, 04:14 PM
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#39
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Member Group: Members Posts: 548 Joined: 19-March 05 From: Princeton, NJ, USA Member No.: 212 |
QUOTE (Bill Harris @ Dec 25 2005, 02:08 AM) Message text revised, image updated. Teach me to put up an image and dash out shopping! I've been to Barringer Crater, and this _does_ give a sense of scale to Victoria. --Bill Bill, thanks for the update with text. perhaps add depth [Barringer 170 m deep (570 ft)] and N Barringer width (wikipedia) is 1200 m (~0.8 mi) compared to ca. 800 m (~0.5 mi) for Victoria (JPL press release) Now we just need to see those rover tracks and compare to the human tracks at Barringer here is a side view of Barringer 
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Dec 25 2005, 06:48 PM
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#40
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 Senior Member Group: Members Posts: 2454 Joined: 8-July 05 From: NGC 5907 Member No.: 430 |
Here's a nice side panorama of Barringer Crater:
http://upload.wikimedia.org/wikipedia/en/a...terPanorama.jpg And here is a space-based image of the crater: http://en.wikipedia.org/wiki/Image:Landsat_Meteor_Crater.jpg Looking at its center from the edge: http://upload.wikimedia.org/wikipedia/comm...r_from_edge.jpg -------------------- "After having some business dealings with men, I am occasionally chagrined,
and feel as if I had done some wrong, and it is hard to forget the ugly circumstance. I see that such intercourse long continued would make one thoroughly prosaic, hard, and coarse. But the longest intercourse with Nature, though in her rudest moods, does not thus harden and make coarse. A hard, sensible man whom we liken to a rock is indeed much harder than a rock. From hard, coarse, insensible men with whom I have no sympathy, I go to commune with the rocks, whose hearts are comparatively soft." - Henry David Thoreau, November 15, 1853 |
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Dec 25 2005, 07:27 PM
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#41
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Senior Member Group: Admin Posts: 4763 Joined: 15-March 05 From: Glendale, AZ Member No.: 197 |
QUOTE (Toma B @ Dec 25 2005, 03:55 PM) ...and you do have some images taken...right? Don't know about others but I would verry much like to see them... Is there a posibility? Yeah, let me stick them in my new slide scanner and get them up here later. I even took a multi image pan of about 7 or 8 shots (back before the days of computers) perhaps you guys could help me stitch it together. When you are standing on the rim there is no way to get the entire crater in one image with a focal length greater than 17mm. When things quiet down around here and the kids pass out from exhaustion on the floor next to their new toys, I'll get to work on that. -------------------- If Occam had heard my theory, things would be very different now.
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Dec 25 2005, 07:32 PM
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#42
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Senior Member Group: Admin Posts: 4763 Joined: 15-March 05 From: Glendale, AZ Member No.: 197 |
QUOTE (djellison @ Dec 25 2005, 01:58 PM) Reading Levy's book about Shoemaker - they mention the crater being 1.2km across (so a walk around it is about 3.5km ) Are you sure? I seem to recall that it was about 2.17 miles when I took that walk. -------------------- If Occam had heard my theory, things would be very different now.
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Dec 25 2005, 09:55 PM
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#43
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Senior Member Group: Admin Posts: 4763 Joined: 15-March 05 From: Glendale, AZ Member No.: 197 |
QUOTE (Toma B @ Dec 25 2005, 03:55 PM) ...and you do have some images taken...right? Here are a few that I found. I'll have to dig up the rest. Please pardon any dust, these are scans of slides. They were all shot awith a 28mm lens so imagine the crater walls somewhat steeper than they look here. Let me know if you want to see one of these in higher res.
Attached thumbnail(s)
-------------------- If Occam had heard my theory, things would be very different now.
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Dec 26 2005, 07:04 AM
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#44
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 Member Group: Members Posts: 356 Joined: 12-March 05 Member No.: 190 |
I have heard that when in the center, if you lie on your back and look up it produces a visual illusion somewhat analogous to floating in space looking down at Earth. True?
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Dec 26 2005, 07:36 AM
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#45
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Senior Member Group: Members Posts: 2454 Joined: 8-July 05 From: NGC 5907 Member No.: 430 |
QUOTE (deglr6328 @ Dec 26 2005, 02:04 AM) I have heard that when in the center, if you lie on your back and look up it produces a visual illusion somewhat analogous to floating in space looking down at Earth. True? I don't know, but if you did that circa 1984, you would likely be looking up at the bottom end of a big silver ball. http://sqn.com/starman.html -------------------- "After having some business dealings with men, I am occasionally chagrined,
and feel as if I had done some wrong, and it is hard to forget the ugly circumstance. I see that such intercourse long continued would make one thoroughly prosaic, hard, and coarse. But the longest intercourse with Nature, though in her rudest moods, does not thus harden and make coarse. A hard, sensible man whom we liken to a rock is indeed much harder than a rock. From hard, coarse, insensible men with whom I have no sympathy, I go to commune with the rocks, whose hearts are comparatively soft." - Henry David Thoreau, November 15, 1853 |
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