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Originally posted by Lysergic
Volcano?
Is that all you have to say about it? No information other than that photo? heh
learn me something!
Originally posted by ArMaP
But they do not see that the "smoke" is in the same position in all 3 images, so it is very unlikely that the "smoke" is anything in the air.
Originally posted by Jehosephat
...the images of the supposed "mars" volcano are far to disperse to be an active volcano and is more likely to be fine dust coming from the mountian as the prevailing wind travels around it.
Originally posted by rhw007
I disagree that the 'smoke' is the same in all three images. I've downloaded all three and cropped to the feature on my page above and there are different areas covered and also different values, especially around the rim, around all three images.
You might also be interested to know that the THEMIS IR data shows this area to be slightly warmer than other areas around the feature. This has been shown to be true in the one Mars Express image in that spacecraft's data set archive that captures Cydonia including this feature.
Originally posted by rhw007
Mars IS volcanically 'dead'...according to Mainstream views. I personally don't think ALL heat is gone from the place as the surface temperature can be a blamy 70 degrees Farenheit at the surface according to the Mars Pathfinder data.
Originally posted by ArMaP
Originally posted by rhw007
I disagree that the 'smoke' is the same in all three images. I've downloaded all three and cropped to the feature on my page above and there are different areas covered and also different values, especially around the rim, around all three images.
Maybe I was looking at the wrong thing.
Could you show me some pictures that show exactly where the "smoke" is?
science.nasa.gov...
Expanding on this notion, in 1991 Vic Baker of the University of Arizona, suggested that Mars might not be geologically dead and permanently frozen. Instead, he proposed, Mars might undergo cycles, or pulses -- first heating up, releasing groundwater and forming an ocean in the north, then dissipating the ocean back into the planet's crust and re-freezing.
More recently, Jim Head and colleagues at Brown University, found evidence that is consistent with a shoreline that might indeed have existed at the inner of Parker's two proposed contacts, contact 2. Head and colleagues examined elevation data gathered by the Mars Orbiter Laser Altimeter (MOLA) on board the Mars Global Surveyor (MGS) and found that the elevation at points along contact 2 were much closer to a straight line than those at contact 1. They also found that the terrain below this elevation was smoother than the terrain above it. Both of these findings are consistent with the former presence there of an ocean.
www.sciam.com...
Even through these dark years, veteran researcher William K. Hartmann held that Mars was not, in fact, geologically dead. He reasoned that some of the terrain was so fresh, so free of meteor craters, that at least some of the volcanoes were not extinct, merely dormant. It was a minority view--but no longer. New space missions have found signs not just of recent volcanism but of glaciers, liquid water and periodic climate change. Things are looking up again for the Red Planet, and Hartmann's latest book encapsulates this understanding.
...snip...
Hartmann's book is being marketed as a travel guide, but it is best thought of as an extended argument for the persistence of geologic activity. The main concession to the guidebook conceit is its region-by-region approach. Going (roughly) from the oldest terrain to the youngest, the book provides a close reading of the most scientifically and aesthetically compelling images. It shows how planetary geologists reconstruct Martian history by looking at the relationships among formations: whether a crater punctures a lava flow, say, or a sand dune covers a crater floor. The book includes a number of photographs of similar-looking formations on Earth, as well as interpretive paintings. (Hartmann is a well-known astronomical artist.)
www.space.com...
Science magazine will publish the Malin-Edgett paper in its June 30 issue. But the article was released on Thursday, two days after SPACE.com reported that scientists had found "seasonal deposits" of water from springs on the Martian surface.
That, along with other reports, triggered a flurry of broadcast and print reports around the world. The barrage of publicity in turn prompted NASA to move up by a week its scheduled June 29 press conference to counter what it called "incorrect" accounts of the discovery.
If the findings can be confirmed, "it means Mars is not geologically dead," said Wes Huntress, NASA's former space science chief and now director of the Geophysical Laboratory, Carnegie Institution of Washington.
"We knew that there's really water below the surface but we didn't know where it was," he said.
www.geology.sdsu.edu...
VOLCANIC FEATURES
The volcanic features on Mars are very similar in shape, but not in scale, to those found on earth, and they probably formed by similar processes. In contrast to the volcanic features found on the moon, those on Mars were generated on terrains of variable ages. Thus, volcanism has been an important process throughout Martian history. Numerous volcanic landforms can be found in the older cratered highlands and in the younger volcanic plains surrounding them. However, the most impressive volcanic landforms are associated with the extensive, hotspot-related uplifts of Tharsis and Elysium plateaus. The volcanic features described below include the giant central volcanoes, peterae, tholi, and rootless cones.
www.universetoday.com...
Mars Global Surveyor has been stitched together to create a planetary map of magnetism. This map shows striping, where two plates were once pushed apart by new molten lava coming up from under the surface. This new lava become magnetized in the direction of Mars magnetic field at the time. Since this magnetic field flipped several times through the planet's history, the stripes provide a record of when Mars' plates were active.
NASA scientists have discovered additional evidence that Mars once underwent plate tectonics, slow movement of the planet's crust, like the present-day Earth. A new map of Mars' magnetic field made by the Mars Global Surveyor spacecraft reveals a world whose history was shaped by great crustal plates being pulled apart or smashed together.
Originally posted by rhw007
There was an animation link on the page I linked to above. The animation link is repeated here:
home.thirdage.com...