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Mars Anomaly Research archive -> Alien Anomalies -> The Strange -> Are martian rocks blue inside?
Post Info TOPIC: Are martian rocks blue inside?
xiriux


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RE: Are martian rocks blue inside?
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I think the martian rocks are various. For example in the site of Opportunity there are rocks with no bluish color inside.
In the first image xou can see the RAT after a grinding, it is covered with orange-color dust.

1P130935830ESF0454P2141-sol31-2-RAT.JPG

On the second image a grinding mark is visible with strong orangeish dust

1P131384947EFF0504P2531-sol36-2.JPG

An finalyy here is a rock with white/light gray dust :

1P134224798EFF08ASP2581-sol68.JPG



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xiriux


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Hi,

my opinion is that the true color image (by Cornell) linked by O'Brien contains impossible colorization.
In the left upper corner of the image is visible the martian soil, it has a characteristic color with  1/0.6/0.25 R/G/B ratios.
Around the location (100,70) in the soil area the linearized raw 12 bit datas of filtered images are  2307,2097,1771,1362,871,472  according to L2...L7 filters.
Around the location (610,750) in the grinding mark these values are
69,158,422,2861,4055,4055 according to L2...L7 filters.
If we calculate first the  XYZ tristimulus value of the soil-location and we fit the L7...L4 coefficients to achieve the proper soil color, then we can calculate the proper XYZ value of the grinding mark location. (during true color image rendering process at Cornell is followed similar method)
The result of this calculation gives blue color and no grayish.
But after some rational thinking we can say that in that case where the red filtered images are very dark and the green- and blue-filtered images are very light, it is impossible that the proper color contains more red than green/blue (on the Cornell's true color image the grinding mark color contains more red than green/blue).


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fruitnut1


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Well gmantoo I don't know you but this is what I think about that RAT:




-- Frutty no

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qmantoo


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OK, I see. This is in the press section and I wonder if they think it is OK to splice pictures together to make them look presentable for the public - rather than for scientists to review. The composite probably comes from 3 different pictures because if you look at the bottom, the right hand one is made up of at least 2 pictures. Possibly left and right views? Or possible where there is missing data in one or the other.


Found this explanation here

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fruitnut1


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The same image below I added a tiny bit of contrast.

Question is the photograph folded in the middle or  the accident is part of the terrain below?

Anomalies.jpg


-- Frutty


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fruitnut1


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The previous image has the url inside. That is if you right click on the image and choose "view image" you will be directed to the original.

Anyway the previous one I just posted can be found at

http://marsrovers.jpl.nasa.gov/gallery/press/spirit/20060512a/2MM830ILFARCYL00P2936M222M2-A838R1_br2.jpg

-- Frutty

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qmantoo


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You really need to start posting links to all these photographs, not just in this thread but in other threads too. The skeptics and the non-skeptics alike need to be able to examine the originals for themselves to see the points you are raising. As another issue, we do not know what the forum software does to the images before it displays them for us to see, so they may be compressed even more (for example) to save space or speed up loading.

This is obviously sand kind of material as the RAT cannot polish/grind the surface if there are many loose small grains of material.

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fruitnut1


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Hi gmantoo! I got another gem for you !

Although it's colorless, you will understand this is an aerial take of some structure on mars. smile

2MM830ILFARCYL00P2936M222M2-A838R1_br2.jpg


-- Frutty
-- Frutty

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qmantoo


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In O'Briens post...
The rocks are more grayish-blue than the shocking cobalt blue of the previous false color images

O'Brien thinks that the inside is more grey than blue (yes I know colour is subjective) but there are many, many colour pictures of blueberries (note: NOT greyberries) and many pictures with blue chippings in them too. Also the lichen (I am going to assume that it IS lichen, since no-one has pointed to another explanation either here or in other places) is blue which suggests that it somehow absorbs "blueness" from the rock.

You never know, we might find that Martians are blue too.

O'Brien, I would like to know what makes you think that all the bright blue pictures are incorrect and the rock is a dull grey instead?

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fruitnut1


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qmantoo wrote:

I think this last image is worth more investigation. The rock has several holes in it particularly the one at 9 o'clock which is triangular and looks to actually go deeper into the rock.

Are these upside down like craters sometimes are? The central portion appears raised rather than ground away

You can even see the two points in brown that the RAT used as support while it ground away the middle area. There are several holes in the path or vein around the outside too.


Bingo! you got it!  bored.gif

 



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qmantoo


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I think this last image is worth more investigation. The rock has several holes in it particularly the one at 9 o'clock which is triangular and looks to actually go deeper into the rock.

Are these upside down like craters sometimes are? The central portion appears raised rather than ground away

You can even see the two points in brown that the RAT used as support while it ground away the middle area. There are several holes in the path or vein around the outside too.

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fruitnut1


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Spirit looks at two holes it carved into the rock "Clovis," located on the west spur of the Columbia Hills. The rock exposed in the Columbia Hills is lighter in tone and is softer than that which was examined out on the plains of Gusev Crater. smile

rover6.jpg



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fruitnut1


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Another Rat's gem

Source: http://marsrover.nasa.gov/gallery/press/opportunity/20040414a/05-JS-03-Rat-B079R1_br.jpg

05-JS-03-Rat-B079R1_br.jpg





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fruitnut1


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This One is from the National Geographic Site

http://images.nationalgeographic.com/wpf/media-live/photos/000/010/cache/mars-spirit_1075_600x450.jpg

mars-spirit_1075_600x450.jpg



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OBrien


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The rocks are more grayish-blue than the shocking cobalt blue of the previous false color images. Here is a more faithful representation.


Sol087A_P2530_1_True_RAD.jpg

Source

A good reference for what's going on is this site which goes into far more detail about getting "true color" than my short tutorial on color versus B&W spacecraft pictures. The above referenced Cornell site has various true color and false color images. To see both for this rock with its overlapping grind marks go to Images and navigate to Spirit Sol 87.


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qmantoo


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There is a thread on the RAT with some good links in it too. A lot of the colour images at http://areo.info/mer/ appear to have blueish rocks and the 'lichen' is a blueish colour which would suggest that it IS in the rocks themselves. The blueberries are blue too, and a lot of the smaller chippings we see on some of the pictures.

So I think you are correct, the inside is perhaps blue but what makes the outside often non-blue?

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thewatcher


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Red tone to soil most probably points to some for of iron (rust) in the soil. The blue could actually be a deep greenn depending on colour saturation. The blue gree could point to some form of composit copper.. Interesting.. A dusting of iron with a coppery under tone!

TW

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fruitnut1


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I found a document by the name " SUMMARY OF ROCK ABRASION TOOL (RAT) RESULTS PERTINENT TO THE MARS'.

By the title one might expect to find the composition of the Mars's rocks or at least if not, to realize what the martian grindings are good for.

Instead what you find is a technical paper on the rover' abrasion tool  grinding capabilities, useless indexes and stuff:

If you feel curious about it you can read the paper here:

http://www.lpi.usra.edu/meetings/lpsc2005/pdf/2292.pdf

-- Frutty



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fruitnut1


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And this one though the holes are in the air, also officially are the product of grinding, so it's  reasonable  to think that Martian rocks are definitely orange on the outside and blue on the inside,

 

2P234663466EFFATF3P2561L234567M1.JPG

 

-- Frutty



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fruitnut1


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More grinding shows that the martian rocks are orange in the outside and blue on the inside ...

2P134081436EFF2238P2530L234567M1.JPG

 



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fruitnut1


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The calibrated colored image posted below, depicting Spirit's rover first grinding of a Rock,  apparently seems to insinuate that rocks on Mars are brick-orange on the outside and blue on the inside. Anybody know anyhting about the composition of Mars' rocks? So far the only mineral I have red about is hematite around Gusev Crater. confuse

 

 

/download.spark?ID=771660&aBID=47797

 

I took the image from this address but now it is apparenlty down

 

http://mars.lyleresearch.com//imagery/color/2-129469773-6.jpg

 

There's a B&w still showing at

 

http://marsrovers.nasa.gov/gallery/press/spirit/20040209a/adirondack_pancam_greyscale_p2578-001-0007_003_0129469773-127-A037R1_br.jpg

 

-- Frutty

 

 

 

 

 

 

 

 



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