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Very Recent Water Flow at Meridiani!



 
 
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  #1  
Old September 24th 05, 12:49 AM
jonathan
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Default Very Recent Water Flow at Meridiani!




Upper right.
http://marsrovers.jpl.nasa.gov/galle...P0183R0M1.HTML



Opportunity is approaching Erebes 'crater', it should be exciting.
But Lake Victoria, if it makes it, should be highlight of the mission.
http://marsrovers.jpl.nasa.gov/galle...rse-A591R1.jpg



And a couple of links posted recently in sci.geo.geology


Journal of Geophysical Research, Volume 110, Issue E5,

"Formation of Martian gullies by the action of liquid water flowing
under current Martian environmental conditions"
http://adsabs.harvard.edu/cgi-bin/bi...GRE..11005004H



Ice Packs and Methane on Mars Suggest Present Life Possible
European Team Says
http://www.space.com/scienceastronom..._mars_ice.html



Water Flowed Recently on Mars, NASA Scientists Say
http://www.space.com/scienceastronom...s_gullies.html



Martian dunes hide water secret.

Scientists have found evidence that large amounts of
water-ice hide within massive sand dunes on Mars. "If you're looking
for a source of water for any future landers," said Dr Bourke, "I am
advocating that you march up to your nearest sand dune."
http://news.bbc.co.uk/1/hi/sci/tech/4217528.stm



Mars Gullies Likely Formed By Underground Aquifers
http://www.space.com/scienceastronom...er_041112.html





s



  #2  
Old September 24th 05, 01:15 AM
Skywise
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"jonathan" wrote in
:

Snipola

Define "very recent".

Brian
--
http://www.skywise711.com - Lasers, Seismology, Astronomy, Skepticism

Seismic FAQ: http://www.skywise711.com/SeismicFAQ/SeismicFAQ.html

Sed quis custodiet ipsos Custodes?
  #3  
Old September 24th 05, 02:02 AM
Cardman
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On Sat, 24 Sep 2005 00:15:36 -0000, Skywise
wrote:

"jonathan" wrote in
:

Snipola

Define "very recent".


Well based on one of those links, then an event 2 to 5 million years
ago resulted in a huge flow of water that ended up in a North Sea
sized section of pack ice.

Since 2 to 5 million years is like yesterday in terms of Mars, then so
can you conclude that it is an on-going process.

All the evidence points to Mars being a very wet place, with frozen
water not too far below the surface. That strong theory naturally
requires direct on the ground confirmation.

Cardman.
  #4  
Old September 24th 05, 02:04 AM
jonathan
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"Skywise" wrote in message
...
"jonathan" wrote in
:

Snipola

Define "very recent".




Look at the distinctive and delicate ...shadows... cast by
these two pics.

Yellowstone mudpot
http://www.nps.gov/yell/slidefile/th...ages/05402.jpg
Endurance mudpot
http://qt.exploratorium.edu/mars/opp...1P2397R1M1.JPG


On a planet that does this...
http://themis.la.asu.edu/zoom-20041105a.html



So you tell me! It's clear water ice is near the surface
and makes it's way out even today.





Brian
--
http://www.skywise711.com - Lasers, Seismology, Astronomy, Skepticism

Seismic FAQ: http://www.skywise711.com/SeismicFAQ/SeismicFAQ.html

Sed quis custodiet ipsos Custodes?



  #5  
Old September 24th 05, 02:15 AM
jonathan
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EVIDENCE FROM HRSC MARS EXPRESS FOR A FROZEN SEA
CLOSE TO MARS' EQUATOR.

"We present evidence for a presently-existing frozen sea, with surface
pack-ice, at 5°N, 150°E, age ca. 5 million years. It measures ca. 800
× 900 km and averages ca. 45 m deep. It has probably been protected
from complete sublimation by ash and a sublimation lag of exposed
sediment."
http://www.lpi.usra.edu/meetings/lpsc2005/pdf/1741.pdf


  #6  
Old September 24th 05, 02:36 AM
Jo Schaper
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Cardman wrote:

All the evidence points to Mars being a very wet place, with frozen
water not too far below the surface. That strong theory naturally
requires direct on the ground confirmation.

Cardman.


And evidence of Mars Pops. *|:-)
  #7  
Old September 24th 05, 06:31 AM
Skywise
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Cardman wrote in news:kv89j1lb0v6lfamrk7cvi34n1stjiguvh4
@4ax.com:

On Sat, 24 Sep 2005 00:15:36 -0000, Skywise
wrote:

"jonathan" wrote in
:

Snipola

Define "very recent".


Well based on one of those links, then an event 2 to 5 million years
ago resulted in a huge flow of water that ended up in a North Sea
sized section of pack ice.

Since 2 to 5 million years is like yesterday in terms of Mars, then so
can you conclude that it is an on-going process.

All the evidence points to Mars being a very wet place, with frozen
water not too far below the surface. That strong theory naturally
requires direct on the ground confirmation.

Cardman.


I know what recent means to a geologist. I wanted to know what it
means to jonathan. Adding the adjective 'very' makes it worse. I
don't know if that's supposed to mean the geologists 'very recent'
or the lay persons 'very recent'.

Brian
--
http://www.skywise711.com - Lasers, Seismology, Astronomy, Skepticism

Seismic FAQ: http://www.skywise711.com/SeismicFAQ/SeismicFAQ.html

Sed quis custodiet ipsos Custodes?
  #8  
Old September 24th 05, 06:38 AM
Skywise
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Posts: n/a
Default

"jonathan" wrote in
:


"Skywise" wrote in message
...
"jonathan" wrote in
:

Snipola

Define "very recent".




Look at the distinctive and delicate ...shadows... cast by
these two pics.

Yellowstone mudpot
http://www.nps.gov/yell/slidefile/th...idwaylower/Ima
ges/05402.jpg Endurance mudpot
http://qt.exploratorium.edu/mars/opp...-16/1P14318525
9EFF3221P2397R1M1.JPG


I see nothing in the Mars picture that resembles the Yellowstone
picture. On top of that, it's different still from the picture
in your previous post.

Finally, none of this answered my question.


On a planet that does this...
http://themis.la.asu.edu/zoom-20041105a.html


Which is a picture of a dust storm. The context picture shows
large craters.


So you tell me! It's clear water ice is near the surface
and makes it's way out even today.


Which still doesn't answer my question. Are you implying by
the phrase 'very recent' to mean within that last few years?

I don't doubt there may be water ice just beneath the surface
on Mars today in select areas. But that wasn't my question.

BTW, don't forget my QED Love theory. It was your challenge.
I simply called you on it. I won't hold it against you if you
say you can't do it.

Brian
--
http://www.skywise711.com - Lasers, Seismology, Astronomy, Skepticism

Seismic FAQ: http://www.skywise711.com/SeismicFAQ/SeismicFAQ.html

Sed quis custodiet ipsos Custodes?
 




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