Interesting MOC pictures - Place to post interesting MOC pictures

atomoid · 2004-10-04 14:23:34

CProto ends up giving you pixels that are more like this
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tha[n] this
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| |
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You can sort of see it in some images if you zoom in.
Doug

FYI, found an interesting little http://www.msss.com/mars_images/moc/2004/01/04/]blurb on this technique for increasing the resolution. It says it gets a down-track resolution of about 50 cm/pixel (~20 inches/pixel), although the cross-track resolution remains ~1.5 m/pixel (5 ft/pixel).

Not to get too far off-thread, but MRO is supposed to obtain 30cm pixels nominally. similarly, they might be able to get down-track resolution down to 10cm, at which point we might be able to discern some individual components on the landers...!

Palomar · 2004-10-12 05:27:42

http://www.spaceref.com/news/viewsr.htm … 3]Cerberus Fossae Troughs

*With wind streaks. Delicate, and the light/dark interplay is nicely balanced. This is a MOC pic I'd like framed.

--Cindy

Palomar · 2004-10-12 10:33:46

http://www.spaceref.com/news/viewsr.html?pid=14205]Mars says "Hi"

*Didn't think I'd be posting in this thread again so soon. This just released at spaceref.com.

:laugh: I can just see certain fringe elements going bonkers with this!

--Cindy

REB · 2004-10-12 15:09:53

Some great pictures, Cindy.

Check this one out. It is in Hellas. http://www.msss.com/moc_gallery/r10_r15 … 9.jpg]Look at the lower one fourth.. Strange terrain. Sink holes? Karst Topography?

Shaun Barrett · 2004-10-12 20:14:37

Cindy:-

I can just see certain fringe elements going bonkers with this!

Waddya mean "fringe elements"?!! :bars2:
I suppose you're going to try and tell me that message from our martian cousins is just a fluke of erosion or something!
:realllymad:

Shaun Barrett · 2004-10-12 20:29:50

REB:-

Strange terrain. Sink holes? Karst Topography?

It looks like what I imagine a dried-up sea-bed would look like. Cracked, sunken, salt-strewn, forbidding wasteland, with a strong atmosphere of poignancy about it. Poignant because it harks back, at least in my imagination, to a time when Mars was warmer and Hellas Basin resounded to the cacophany of wind and waves. And who knows whether primitive alien organisms may have swum in that long-lost sea .... ? ???

:sleep: .... Huh?!!

Oops, sorry! I must have drifted off into dreamland there for a minute. I'm back now! :laugh:

Palomar · 2004-10-12 20:53:19

REB:-
Strange terrain. Sink holes? Karst Topography?
It looks like what I imagine a dried-up sea-bed would look like. Cracked, sunken, salt-strewn, forbidding wasteland, with a strong atmosphere of poignancy about it. Poignant because it harks back, at least in my imagination, to a time when Mars was warmer and Hellas Basin resounded to the cacophany of wind and waves. And who knows whether primitive alien organisms may have swum in that long-lost sea .... ? ???
:sleep: .... Huh?!!
Oops, sorry! I must have drifted off into dreamland there for a minute. I'm back now!

*Awesome descriptive, Shaun. :up: I'm about to trip into Dreamland here soon. Methinks the imagery you've evoked in my mind's eye will follow me down into slumber, and tonight I'll stand -- barefooted -- on the beach of an ancient Marsian sea. The breezes and the tang of seasalt...

--Cindy

REB · 2004-10-13 05:47:03

That area of Hellas looks like a good place to hunt for caves. Notice some of the "sink hole" run into what looks like ridges.

I would love to see some MER’s sent to Hellas. Unfortunately, with its thicker atmosphere, it can be a very cloudy place. That is why so many pictures from the area are not very clear. I say unfortunately because this could be a problem for a MER’s solar power.

http://www.msss.com/moc_gallery/r10_r15 … ml]Another good spot for a MER, in Hellas, would be the gullies at Dao Vallis

REB · 2004-10-13 13:10:34

http://www.msss.com/moc_gallery/r10_r15 … html]Looks windy

Streaking craters!

REB · 2004-10-13 13:26:18

http://www.msss.com/moc_gallery/r10_r15 … 5.jpg]Here are a couple of pictures from Northern Hellas. I like the layered Mesa's in this one. Reminds me of the SouthWest.

http://www.msss.com/moc_gallery/r10_r15 … .jpg]Check out the crater in this one.. It looks almost like water was once in it.

REB · 2004-10-13 13:37:12

One more.

http://www.msss.com/moc_gallery/r10_r15 … .jpg]Check out what I call peanut shell dunes in the crater.

Shaun Barrett · 2004-10-13 17:38:53

"Peanut shell dunes" seems as good a name as any. I can't think of anything which describes 'em better!

Imagine trying to drive a MER over some of that terrain. It looks like it would even tear the arse out of a Hummer!
???

Julius Caeser · 2004-10-14 22:45:58

Those thick sedimentary rock layers in Schiaparelli look magnificent!

Palomar · 2004-10-15 13:29:40

http://www.spaceref.com/news/viewsr.htm … 3]Northern polar region in the summer

*Wish this pic were larger! Nice, gentle grooves.

--Cindy

REB · 2004-10-15 14:03:34

Looka like wood grain.

Those triangle features look interesting.

REB · 2004-10-20 06:24:03

http://www.msss.com/moc_gallery/r10_r15 … .html]Good site to send a MER

Very interesting

djellison · 2004-10-21 08:47:11

From a scientific standpoint maybe, but from an engineering / survivablility stand point

Doug

atomoid · 2004-10-21 18:11:04

A mission-killer if you hit some rocks on the way down, but if you make it, the MERs are so slow compared to how much there is to see here, even a yearlong tour could only scratch the surface. Now that weve learned the vulnerabilities of the MER platform, fix the wheels, slap in an RTG and crank up the motor speed!

I've always wondered about those dark areas so prevalent in many images, such as near the lower part of this image. I'm guessing the dark areas are basalt sand, and of larger particle size than the lighter dusty finer stuff so it tends to stay in the same area. I think this situation is similar to Meridiani, but here the chaotic terrain allows more of it to erode and inundate most of the dark area, whereas at Meridiani, theres not much terrain left to erode so its more localized around the exposed sedimentary deposits. The older basalts are below the lighter and newer sedimentary layers so these dark areas reveal lower elevations imitating water pooling up.

But still, its odd that there are these little isolated oasises of dark sand when you can look to other areas that look similar terrain but for some reason dont have any dark sand. I would expect the lighter stuff to pretty much cover over eveything by now given the wind is the only real disperser of soils, or at least for the dark areas to be more evenly peppered in or mixed according to the terrain features, but there seems to be a large contrast of these areas that is quite puzzling. Are they just covered over? or does some wind process tend to actively separate them in certain areas?

REB · 2004-10-22 07:53:43

It is interesting that the dark hematite area that covers Meridiani is caused by zillions of little “blueberries”.

That was a surprise.

And I am still leaning toward the blueberries being biological in origin.

REB · 2004-10-22 08:31:48

Cindy, http://www.msss.com/moc_gallery/r10_r15 … .html]Here is another picture of that area.

Those dark deposits sure do give the illusion of water. If only it was water *sigh*

REB · 2004-10-22 08:37:56

Towards the lower end of the picture, notice the “islands” of light land. Some seem to have a dark outline.

The area looks almost like it is a dry lake bed. Could it be?

Since I am doing another post, here ishttp://www.msss.com/moc_gallery/r10_r15/images/R12/R1200485.html]another shot form the same area.

REB · 2004-10-22 08:48:44

Not far from the above pictures is http://www.msss.com/moc_gallery/r03_r09 … .html]this area. It has a "muddy' look about it. Are those ridges caused by freez/thaw cycles? It is near the equator.

REB · 2004-10-22 08:58:20

http://www.msss.com/moc_gallery/e01_e06 … ml]Another shot from the wrinkle terrain area. Noteworthy in this shot is the smooth area surrounding the rim of the large crater. I am going to have to study that one some more.

REB · 2004-10-22 09:33:54

The last thing I am going to say about this area of Mars...for now anyway. Check out the dark streaks coming off the Mesa at the bottom of http://www.msss.com/moc_gallery/m13_m18 … .html]this picture. We see that on many of the hills of this area. Could that be the source of your dark material, Cindy? Is it some ancient sea sediments? Is it made of zillions of blueberries?- which might explain why the streaks flow like a liquid.

REB · 2004-10-22 10:00:34

I am back!

More on the dark material in this area (Elysium/Cerberus plains)

I have seen several "dark craters" like those in M0702340.html this picture

I think they are the newest craters in the area, and they are exposing a dark layer of material that is either volcanic basalt or perhaps a dark marine deposit. The older craters do not show this dark material because they are covered by layers of the same light dust that the rest of the landscape is. Since dust devils are not exposing this dark layer, it must be deeper that a few inches.

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