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OUT OF MIND » SPACE NEWS & DISCLOSURE » SPACE NEWS & UFO DISCLOSURE » Curiosity Has Found Some Truly Weird-Looking, Twisty Rock Towers on Mars

Curiosity Has Found Some Truly Weird-Looking, Twisty Rock Towers on Mars

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PurpleSkyz

PurpleSkyz
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Curiosity Has Found Some Truly Weird-Looking, Twisty Rock Towers on Mars

CARLY CASSELLA  
7 JUNE 2022

The Curiosity rover has found an outstanding rock formation piercing the alien landscape of Mars. Amongst the shallow sands and boulders of the Gale Crater rise several twisting towers of rock – the spikes of sediment look almost like frozen streams of water poured from an invisible jug in the sky.

In reality, experts say the columns were probably created from cement-like substances that once filled ancient cracks of bedrock. As the softer rock gradually eroded away, the snaking streams of compact material remained standing.

Curiosity Has Found Some Truly Weird-Looking, Twisty Rock Towers on Mars  FTsPAAXWIAEVXLS-1

Rock formations found on Mars. (NASA, JPL-Caltech, MSSS)
The rock formations were snapped by a camera on board the Curiosity rover on May 17, but the image was only shared last week by NASA and experts at the SETI institute (which stands for the Search for Extraterrestrial Intelligence), as part of SETI's planetary picture of the day initiative.

As alien as the structures might look, they aren't without precedent.
In Earthly geology, a 'hoodoo' is a tall and thin spire of rock formed by erosion. It can also be called a tent rock, fairy chimney, or earth pyramid. 
Hoodoos are usually found in dry environments, like the canyons of Utah or southern Serbia, and the columns can sometimes tower as high as ten-story buildings.

Curiosity Has Found Some Truly Weird-Looking, Twisty Rock Towers on Mars  14713013206_007014b002_c

A hoodoo in Bryce Canyon, Utah. (Don Graham/Flickr/CC BY SA 2.0)
The natural structures are formed by hard rock layers that build up within softer sedimentary rock. As the rest of the rock erodes away from rain, wind or frost, you're left with a magnificent mould of an ancient fracture in the bedrock.

Curiosity Has Found Some Truly Weird-Looking, Twisty Rock Towers on Mars  1600px-Hoodoos_at_Sunset_-_East_Coulee_Alberta_-_Canada

Hoodoos East Coulee, Alberta, Canada. (Darren Kirby/CC BY SA 2.0)
The two towers of rock on Mars look like they are about to topple over compared to the ones we see on Earth, but clearly they are solid enough to withstand the lighter surface gravity experienced on the red planet.
Another strange rock formation found by Curiosity earlier this year might have been created in a similar way, albeit with very different results.

This other, smaller rock looks sort of like a piece of coral or a flower with numerous little petals stretching up towards the sun.
"One theory that has emerged is that the rock is a type of concretion created by minerals deposited by water in cracks or divisions in existing rock," a press release from NASA explained at the time.
"These concretions can be compacted together, can be harder and denser than surrounding rock, and can remain even after the surrounding rock erodes away."

Curiosity Has Found Some Truly Weird-Looking, Twisty Rock Towers on Mars  FlowerRock_Curiosity_960

A flower-shaped rock found on Mars. (NASA, JPL-Caltech, MSSS)
The Gale crater isn't wholly flat, but the alien spires discovered by Curiosity stand out from the rest of their environment, although no height measurements accompany the image.
The towering tombstones of rock might look lifeless now, but their formation speaks volumes about ancient conditions on  Mars and whether life could have once thrived there billions of years ago.
The Gale crater itself is thought to be a dried-up lake bed, though possibly shallower and more transitory than experts once assumed.
Rock formations in and around the ancient lake are helping to reveal the region's true history.

https://www.sciencealert.com/check-out-the-twisting-towers-of-rock-curiosity-found-on-mars
Thanks to: https://www.sciencealert.com



  

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