The Enigmas on Mars
Strange Land Formations on Mars

The Blue Bird Files
Blue Bird's Contribution
Member of ATS
Discussion Thread at ATS About These Anomalies
(Edited by Pegasus)

Posted by blue bird, on April 11, 2007 at 18:39 GMT (ID:3108222)
(From topic on Color)

quote: Originally posted by David2012
Some real pretty images, I love the one with the rocks and ground covered with white "snow" the most...

It's early morning thin layer of water frost, near Viking Lander 2 site.

Triangular Sharp Sand Dunes
Image Credit: NASA/JPL Click image for larger view

My favorite dune - Endurance Crater

In Black and White... 1P138831332EFF2809P2260L5M1.JPG

More imgages in the series

Panoramic Camera :: Sol 207
In Color...
Image Credit: NASA/JPL Click image for larger view
Added by Zorgon... Source

What is really striking about these dunes is the sharp straight lines and triangular angles.

Image Credit: NASA/JPL
Ripples in the Ripples

This image taken by the Mars Exploration Rover Opportunity shows the dunes that line the floor of "Endurance Crater." Small-scale ripples on top of the larger dune waves suggest that these dunes may have been active in geologically recent times. The image was taken by the rover's panoramic camera on sol 198 (Aug. 14, 2004).

Medium Image (235 kB) | Large (549 kB)

More imgages in the series

SOURCE: NASA Mars Rovers

Terraced Mounds

Posted by blue bird, on April 25, 2007 at 08:40 GMT (ID:3142784)

* strange landscape!? Location near: 8.8N, 1.2W

".......small, approximately 3 km by 3 km (1.9 mi by 1.9 mi) area on the floor of an unnamed impact crater in western Arabia Terra"

SOURCE: Malin Space Systems

Sculpted Mesas
Added by Pegasus - Oct 30, 2007

SOURCE: MSSS - E0401514.gif

Dune Kisses
Posted by blue bird, on April 28, 2007 at 17:40 GMT (ID:3151945)

quote:Originally posted by zorgon
What is really striking about these dunes is the SHARP straight lines and triangular angles.

lol...than take a look at 'sharks teeth' - Sand Dunes in Proctor Crater 

Image Source: Malin Space Systems - M1900307

Galloping Horseshoes!Who's been trampling
over the Martian desert in new Nasa photos?
Added by Pegasus - Aug 29, 2008
Image Credit: NASA/ESA
Carved by the Martian wind, a series of dunes marches like hoofprints across the desert.

Looking like a gigantic series of hoofmarks, they appear to gallop across the Martian desert. These massive dunes were photographed by Nasa's 360 million spacecraft, the Mars Reconnaissance Orbiter.The dunes, in the Red Planet's Hellespontus region, have been shaped by powerful westerly winds.The wind heaps up the sand in a horseshoe shape also seen in earthly deserts and called a barchan dune.

The Orbiter is mapping the Martian surface to select future landing sites. Today new 3D Orbiter photographs were also released showing Mars's misshapen moon Phobos in unprecedented detail. The lumpy satellite, just over 16.5 miles across at its widest, is dominated by the huge Stickney crater, nearly six miles wide ? the result of a massive impact.

Streaks running down the walls of the crater show that material has since tumbled in from the rim in landslides. Chief Nasa investigator Professor Alfred McEwen, of the University of Arizona, said: "Phobos is of great interest because it may be rich in water ice and carbon-rich materials." Some scientists say any manned Mars mission ought to start by landing on Phobos - which has negligible gravity - to avoid the much bigger problem of lifting a heavy spaceship off Mars.

The satellite (whose name is Greek for "Fear") is thought to be a captured asteroid and, like its smaller twin Deimos ("Panic"), is named after a son of Ares or Mars, the God of War.

SOURCE: Daily Mail UK

Mars Orbiter Camera
Newton Basin in Sirenum Terra
"The Dam"
Image Credit: NASA/JPL/Malin

Newton Basin in Sirenum Terra #2
"The Statue"

Image Credit: NASA/JPL/Malin
Documentation is available here; Newton Basin in Sirenum Terra
Posted by blue bird, on April 29, 2007 at 08:04 GMT (ID:3153105

* you get a feeling water was here just minutes ago lol:

Dotted Dunes of Mars
Image Credit: NASA/JPL/Malin
The Dotted Dunes of Mars
2007 August 5 
Credit & Copyright: Malin Space Science Systems, MOC, MGS, JPL, NASA

Explanation: What causes the black dots on dunes on Mars? As spring dawned on the Northern Hemisphere of Mars in 2004, dunes of sand near the poles begin to defrost. Thinner regions of ice typically thaw first revealing sand whose darkness soaks in sunlight and accelerates the thaw. The process might involve sandy jets exploding through the thinning ice. By summer, the spots expanded to encompass the entire dunes that were then completely thawed and dark. The carbon dioxide and water ice actually sublime in the thin atmosphere directly to gas. Taken in mid-July, the above image shows a field of spotted polar dunes spanning about 3 kilometers near the Martian North Pole. Today, the future of Mars rovers Spirit and Opportunity remains unknown windy dust storms continue to starve them of needed sunlight. 


"Defrosting North Polar Dunes"
Original MGS image R19-00216

Ancient Mars
Valles Marineris
Valles Marineris. View east to west in the Candor Chasma.
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