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lunchblaze
2004-May-05, 03:29 PM
how much hematite could a hematitechuck chuck if a hematitechuck could chuck hematite?

http://qt.exploratorium.edu/mars/opportunity/pancam/2004-05-05/1P136803056EFF2002P2294L6M1.JPG

freddo
2004-May-06, 12:34 AM
as much hematite as ....

So what are we looking at? #-o

lunchblaze
2004-May-06, 01:42 AM
that hole lookin thing on the left

Astronot
2004-May-06, 01:56 AM
What you’ve never scene a crawfish hole before? I had some for lunch today (crawfish, not holes). Lets make sure we don't send any Cajun astronauts to Mars or those critters will wind up in a pot. :lol:

Squink
2004-May-06, 01:57 AM
It looks like a hole. Maybe a recent heave and cracking of the underlying rock? With all the dimples and crevasses in other photos, it appears that geology is still happening up there.

ToSeek
2004-May-06, 02:22 AM
'Tain't a hole. That there's a rock casting a dark shadow. Look at this image (http://marsrovers.nasa.gov/gallery/all/1/p/097/1P136802832EFF2002P2294L2M1.JPG) of the same area with a different filter and see if you don't agree with me.

Squink
2004-May-06, 03:20 AM
'Tain't a hole. That there's a rock casting a dark shadow. Look at this image (http://marsrovers.nasa.gov/gallery/all/1/p/097/1P136802832EFF2002P2294L2M1.JPG) of the same area with a different filter and see if you don't agree with me.
The black area in the middle of the picture is a rock's shadow. Light is coming from near the upper right corner. On the left edge of the photo, I see some blueberries, but it'd take a rock (or dustpile) bigger than the blueberries to cast a shadow that size. I don't see it. It could be there, what with limited resolution, jpg artifacts and all, but I don't see it.

ToSeek
2004-May-06, 03:49 AM
'Tain't a hole. That there's a rock casting a dark shadow. Look at this image (http://marsrovers.nasa.gov/gallery/all/1/p/097/1P136802832EFF2002P2294L2M1.JPG) of the same area with a different filter and see if you don't agree with me.
The black area in the middle of the picture is a rock's shadow. Light is coming from near the upper right corner. On the left edge of the photo, I see some blueberries, but it'd take a rock (or dustpile) bigger than the blueberries to cast a shadow that size. I don't see it. It could be there, what with limited resolution, jpg artifacts and all, but I don't see it.

I was thinking that there was a gray rock in front of those four blueberries that was casting a shadow, but after looking at the images at the top of this page (http://marsrovers.nasa.gov/gallery/all/opportunity_p097.html) (same thing but at the right center instead of the left edge) and twiddling my eyes to look at them in stereo, I have to agree with you and lunchblaze that it's a hole. I refuse to admit to Martian crawfish, however.

carolyn
2004-May-06, 05:45 AM
'Tain't a hole. That there's a rock casting a dark shadow. Look at this image (http://marsrovers.nasa.gov/gallery/all/1/p/097/1P136802832EFF2002P2294L2M1.JPG) of the same area with a different filter and see if you don't agree with me.
The black area in the middle of the picture is a rock's shadow. Light is coming from near the upper right corner. On the left edge of the photo, I see some blueberries, but it'd take a rock (or dustpile) bigger than the blueberries to cast a shadow that size. I don't see it. It could be there, what with limited resolution, jpg artifacts and all, but I don't see it.

I was thinking that there was a gray rock in front of those four blueberries that was casting a shadow, but after looking at the images at the top of this page (http://marsrovers.nasa.gov/gallery/all/opportunity_p097.html) (same thing but at the right center instead of the left edge) and twiddling my eyes to look at them in stereo, I have to agree with you and lunchblaze that it's a hole. I refuse to admit to Martian crawfish, however.

twiddling your eyes eh :) , how is it that you do that - exactly ? - 8)

btw that is not a martion crawfish hole it is Mr bunnies hole, which is why it looks abandoned - Mr bunny being squashed an all :cry:

lunchblaze
2004-May-06, 01:32 PM
hehe yeah,
i'm more than a little sure it's not a crawfish hole, or the abode of some sand-munching space asp - but it does look conspicuously like a hole.

geologically speaking, in the absence of life and a hydrological system, does anyone know which natural process(es) could make something like that?

-assuming for now that it isn't some strange shadow play of course.

Squink
2004-May-06, 02:33 PM
geologically speaking, in the absence of life and a hydrological system, does anyone know which natural process(es) could make something like that? Frost heaves, quakes, water flowing undergound, voids in impact brecca, even persistant wind eddies.
If those are standard size blueberries (~3mm), it's not a very big hole.

Maksutov
2004-May-06, 04:42 PM
What you’ve never scene a crawfish hole before? I had some for lunch today (crawfish, not holes). Lets make sure we don't send any Cajun astronauts to Mars or those critters will wind up in a pot. :lol:

Yup. and here's a tail just before it got pinched and after its head got sucked.

http://www.enterprisemission.com/articles/03-08-2004/images/Crinoid%20Martian%20Fossil.jpg

Man, dem Cajun on dat Mars got it preddy hard, what wid dey boilin' rocks 'n all dat! No andouille nor boudin hangin' off dey rafter!

Ah bets dey mudbugs 'hole 'nother breed there 'bouts!

Laissez les Bon Temps Rouler sur Mars...

:wink:

ToSeek
2004-May-06, 09:01 PM
twiddling your eyes eh , how is it that you do that - exactly ? -


It's possible to get a stereo effect from a stereo image pair if you can either relax or cross your eyes while still focusing on the image pair. If you're old enough to remember (I think) the mid-90s, you will recall a fad of publishing books of random patterns such that if you did this an image would jump out.