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#201 2008-05-05 10:58:46

cIclops
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Re: Real images of Mars

Off Topic, not to be confused with On Topic :>


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#202 2008-05-05 11:19:02

cIclops
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Re: Real images of Mars

mexnepenthesmensaekw4.jpg
River delta in Nepenthes Mensae (MEX/HRSC) - imaged 22 Jan 2008

More details, images and text

The data was acquired in the region lying at approximately 3° north and 121° east with a ground resolution of 15 m/pixel.

The southern part of the image shows a structure reminiscent of a river delta on Earth whose material was eroded from a valley, about 30 km long and upto 1000 m deep. This formed a fan-shaped deposit at the mouth of the valley. The rim of the deposit stands roughly 300 m above the floor of the depression.

The resemblance of the structure to river deltas on Earth suggests that it was formed by a similar mechanism. Scientists believe that sediment transported by water was deposited as the flow of the water slowed down where the channel widened and met the mouth of the river.


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#203 2008-05-05 13:05:05

Vincent
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Re: Real images of Mars

Thats right.

Now if they could understand there is no river and periodic surface eruptions was the etiology then we could shut this forum down.

See the change in coloration in association to micro-climate. It May be chemical and not biological but it is what it is.


Vincent


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#204 2008-05-07 03:17:25

cIclops
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Re: Real images of Mars

226213main_PIA10633-annot-516.jpg
Dust Devils at Phoenix Landing Site (MRO/Context cam) - imaged 20 Apr 2008

More details and images

NASA's Phoenix Mars Lander is scheduled to land on the Martian northern plains near 68 degrees north latitude, 127 degrees west longitude on May 25, 2008. In preparation for the landing, NASA's Mars Reconnaissance Orbiter has been monitoring weather in the region around the landing site. On April 20, 2008, the orbiter's Context Camera captured this view showing two active dust devils within the Phoenix landing ellipse.

This is a subframe covering an area about 26 kilometers (16 miles) on each side, part of a larger image posted at PIA10632. It shows two dust devils and their shadows. Based on measurement of the shadows cast by the dust devils, one of the vortices towered about 590 meters (about 1,930 feet) with a dust plume extending 920 meters (about 3,020 feet) above the surface. The other reached about 390 meters (1,280 feet) high, with a dust plume extending to 790 meters (2,590 feet). The resolution here is 6 meters (19.7 feet) per pixel.

When the Context Camera acquired this image, the season in Mars' northern hemisphere was late spring. A few weeks earlier, the Phoenix landing site was still covered with seasonal frost left over from the previous winter. White patches in small craters near the center of the picture are areas where the winter frost remained, even as late as April 20.

As spring gives way to summer, dust devils are likely to occur more frequently, as local temperatures rise. These two dust devils observed in late April are among the first of the season. The cameras on the Phoenix lander might be able to spot additional dust devils after the spacecraft arrives, as the Mars Exploration Rover Spirit has been able to do at its southern hemisphere landing site.

Dust devils are whirling vortices that have picked up dust from the ground. Such vortices can occur even when no dust is present, but then they are not visible to the cameras onboard the Mars Reconnaissance Orbiter. Such vortices commonly form as hot air rises from the surface on an otherwise generally calm day with little or no breeze. Dust devils will travel across the surface on the gentle breezes that do occur. Sometimes, dust devils have been observed by cameras orbiting Mars to create streaks on the ground as they disrupt and pick up dust, though no streaks are observed in this image.


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#205 2008-05-09 09:19:52

cIclops
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Re: Real images of Mars

PSP_007805_2505.jpg
Changing Frost Patterns in Louth Crater (MRO/HiRISE) - imaged 26 Mar 2008

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This image shows the changing seasonal frost patterns on Louth Crater, located at latitude 70 N. This crater contains a mound covered by water frost that persists throughout the year, which is unusual for this latitude.

The seasonal carbon dioxide frost deposited during northern winter can also reach this latitude. At the time this image was acquired in northern spring, the carbon dioxide frost is in the process of sublimating back into the atmosphere.

There are sand dunes near the edge of the mound, which become clear of frost in the summer


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#206 2008-05-09 09:40:21

Vincent
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Re: Real images of Mars

Defrosting dunes from NASA. You are going to give me a nervous breakdown cIclops.

How about a rough image from ESA, etiology still under debate.

I call it the green green grass of home. Mineralogy?

Vincent
2478648546_10aa280c49_o.jpg


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#207 2008-05-12 02:26:57

cIclops
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Re: Real images of Mars

PSP_008011_1975_cut.jpg
Rayed Crater in Tharsis Region (MRO/HiRISE) - imaged 11 Apr 2008

More details and images

This image shows a small rayed impact crater, about 160 meters (530 feet) in diameter, in the Tharsis region in the northern hemisphere of Mars.

Relatively recent impacts form rays of ejecta that spray out radially from the crater. In addition to relatively fine material, large boulders and smaller secondary craters are visible in the rays surrounding this crater.

Secondary craters are recognized by their shallow depths (in comparison to primary craters), irregular shapes, and appearance in clusters and linear chains.


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#208 2008-05-12 09:38:46

Vincent
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Re: Real images of Mars

Secondary craters are recognized by their shallow depths (in comparison to primary craters), irregular shapes, and appearance in clusters and linear chains.

Now this is pure speculation with total disregard to the sub-surface environment. Atmospheric break-up could result in clusters or chains but heat induced collapse from phase change could produce the same image in a frozen Mars tundra.

Vincent


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#209 2008-05-12 09:54:57

Vincent
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Re: Real images of Mars

Real images?

You can not have a 95% CO2 atmosphere coming in to contact with a -125 atmospheric condition without some condensation. This from an old weatherman

A true image from HST.

Vincent


2486134547_742a198da4.jpg


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#210 2008-05-12 10:17:08

cIclops
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Re: Real images of Mars

Atmospheric break-up could result in clusters or chains ...

Breakup of a meteor in the atmosphere would be most unlikely to result in a linear chain, especially in an atmosphere as thin as Mars. Tidal disruption of the body before entering the atmosphere seems the most likely cause of similar size chain craters. Secondary craters are usually sorted in decreasing size and point back to the original impact crater.


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#211 2008-05-12 11:17:15

Vincent
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Re: Real images of Mars

Breakup of a meteor in the atmosphere would be most unlikely to result in a linear chain

Not a chance brother. Unless you have a sub-terrain profile
This is good stuff.

Vincent


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#212 2008-05-14 07:54:41

Vincent
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Re: Real images of Mars

cIclops,

Without a subterranean understanding of Mars the rationale for chains is up in the air. If you see Mars as a frozen dust covered ice ball like me then you see collapse features.

Break up of the comet impact on Jupiter occurred before atmospheric interaction and was gravitationally induced. Post atmospheric entry would require a thicker atmosphere in my opinion and result in plasma reconciliation before impact.

Volatile phase change and collapse would be a more viable explanation.

Vincent

http://www.lpi.usra.edu/meetings/lpsc2000/pdf/1332.pdf

2492422050_9b86cd2d94_o.jpg


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#213 2008-05-16 10:02:55

Vincent
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Re: Real images of Mars

It seemed like the right thing to do.

Vincent


2496612897_79becb4a4a_o.jpg


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#214 2008-05-19 11:19:02

Vincent
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Re: Real images of Mars

Without water, we can not have a rainbow.

Sol 101 from Opportunity

Vincent

2505328381_c97737b816_m.jpg


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#215 2008-05-19 12:17:49

cIclops
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Re: Real images of Mars

That's a new one, got a link?


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#216 2008-05-21 08:55:30

Vincent
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Re: Real images of Mars

No link on the above image, just some basic knowledge.

Next Image, possible lake?

Vincent

2510773235_05e8cf4397.jpg


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#217 2008-05-24 15:04:54

Vincent
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Re: Real images of Mars

Possible smoke or steam at 41.53 south. MOC image with no thermal, IR or UV data and no follow up with MRO.

Raw image 1
Analysis image 2
Earth comparison image 3

Vincent

1

2518701997_2825889a05_o.gif

2
2519522378_be92ef857b_o.gif

3

2518707467_f9c76755ec_o.jpg


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#218 2008-05-24 16:47:55

PeterC
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Re: Real images of Mars

I created a texture of the ancient surface of Mars in the Noachian era. Here's the first image.

Its are the planet Mars there is dated -4.100 billion years. The surface, even the northern hemisphere, is entirely very craters. In this image bellow, the crater is grayish the young giant crater Utopia (future Utopia Planitia), which was created by the large meteorite or well the planetesimals.

noachi16.jpg

noachi15.jpg

In that time, the planet is not actual red and there is probably similar to Earth just at the end of planetary formation. The ocean liquid training has not yet published, it will have in a hundred or a few tens of millions of years due to the atmosphere more dense future. The volcanoes and volcanic domes are not present either, as well as craters Hellas, Isidis and Argyre, nor polar ice caps. The planet Mars is flat all.

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#219 2008-05-24 17:24:25

Vincent
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Re: Real images of Mars

A thinker. That’s a good thing

I do not have the knowledge to speculate, Maybe you do.

I will call the Geo types out  for you

PS, If they call you nutty do not sweat it brother. If they supply science then try to apply it and learn.

Vincent


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#220 2008-05-26 03:46:25

cIclops
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Re: Real images of Mars

230121main_false_color_postcard_edr_516-387.jpg
Polygonal patterns, Vastitas Borealis (PHX/SSI) - imaged 26 May 2008

Icy, Patterned Ground on Mars - 26 May 2008

This image shows a polygonal pattern in the ground near NASA's Phoenix Mars Lander, similar in appearance to icy ground in the arctic regions of Earth.

Phoenix touched down on the Red Planet at 4:53 p.m. Pacific Time (7:53 p.m. Eastern Time), May 25, 2008, in an arctic region called Vastitas Borealis, at 68 degrees north latitude, 234 degrees east longitude.

This is an approximate-color image taken shortly after landing by the spacecraft's Surface Stereo Imager, inferred from two color filters, a violet, 450-nanometer filter and an infrared, 750-nanometer filter.

High rez image


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#221 2008-05-26 05:06:26

Vincent
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Re: Real images of Mars

Colorized horizon in Hortacolor, sharp man, real sharp.

Vincent

2524196570_9d93f1135a_b.jpg


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#222 2008-05-27 03:06:29

Vincent
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Re: Real images of Mars

Message disk, I am on it!

Vincent



2527640480_4d00b6b23a_o.png


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#223 2008-05-27 06:22:41

cIclops
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Re: Real images of Mars

Me too smile

(note that the two previous images are from the Phoenix Lander SSI camera imaged 26 May 2008)


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#224 2012-11-13 15:41:12

falkor
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Re: Real images of Mars

there are some pretty interesting images on this page, shame about the flickr busts but the one with the comment "Next Image, possible lake?" from Vincent intrigues me

Vincent after 4 years (since posted) anymore thoughts on that "Lake"?

also Vincent can we have some words on the photo above please big_smile

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#225 2013-07-18 11:27:36

Vincent
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Re: Real images of Mars

The "lake" image is representative. The question is only, How old? The lost likely source is ground water and or melt water. Melt water is most likely, from impact heat. The ESA did publish a south polar image that shows a history of floods post impact.

I will post it if I can find it before I drift off.....

This image was taken in the last few sol's by the hand imager. It is a "raw or natural color" image previously called "true color." A characteristic of natural color is, well, it looks natural... It does not negate the Viking images that were taken in a less atmospheric dusty mid latitude. This site is closer to the southern highlands, the primary source of erosional dust on Mars. I love it when things make sense....

Vincent


9316218916_690a2a39d7.jpg
0333MH0305000000C0_DXXX by dfrank39, on Flickr


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