Mars rocks could shelter life, new study finds – Technology & science – Space – Space.com – msnbc.com


Mars rocks could shelter life, new study suggests

Examination of data gathered by NASA’s rover Opportunity turns up watery environments

 

 

NASA / JPL-Caltech / Cornell / ASU

An examination of the small rocky outcropping Homestake revealed mineral deposited created by the flow of water. The cracks within this rock could potentially host life.

 

By Nola Taylor Redd

5/3/2012

 

 

Beneath their rugged exterior, some Martian rocks could be hiding life, scientists suspect. An examination of data gathered by NASA’s Mars Exploration Rover Opportunity reveals deposits that, on Earth, are only created by water moving through the rock.

“There are plenty of places on Earth where organisms live in places where water is flowing through fractures in rock,” lead scientist Steve Squyres of Cornell University told Space.com. “That’s definitely a possibility at this location.”

Opportunity also turned up evidence of hot, moving water within the rocks, likely caused by the impact that scooped out the crater, Odyssey.

 

NASA / JPL-Caltech

The smaller Odyssey crater, perched on the rim of the giant crater, Endeavour, was one of the sites examined by Opportunity.

Slipping through the cracks 
In August 2011, Opportunity completed a three-year journey to Endeavour, a 14-mile (22 kilometer) crater formed in the early history of the planet.  The rover studied various kinds of rocks. [ Photos: The Search for Water on Mars ]

One of the outcroppings, Homestake, boasts evidence ofwatery environments in the cracks within the rocks. A flat ridge only a third of an inch (1 centimeter) tall and 20 inches (50 cm) long, Homestake contains deposits of a sulfate mineral known as gypsum within the rock.

Water, slowly leaking from the ground into the rock, carried sulfate with it. As fractures in the rock opened up, the gypsum was deposited inside.

“Gypsum veins are common in all sorts of settings on Earth,” Squyres said. “They always form when water flows through the rock and precipitates out gypsum in the fractures.”

Life could thrive within the cracks, Squyres said.

“Organisms can live in fractures of rock, as long as there’s water present,” he said.

Squyres went on to caution that there is no evidence of life in Homestake itself, but “the watery conditions that would have been necessary — the requirement of water being there — was present.”

Turning on the tap 
The international team also examined rocky outcroppings sent flying when a second impact formed the smaller Odyssey crater. Only 62-by-75 feet (19 by 23 meters), the elliptical crater rests on the rim of Endeavour.

Opportunity studied an outcropping known as Tisdale, and found it contained zinc, a chemical element often associated with hydrothermal activity.

 

NASA / JPL-Caltech / MSSS / NMMNHS

After a three-year drive, the Mars Exploration Rover Opportunity reached the Endeavour crater, formed by bombardment early in the life of the solar system.

“If you go to zinc mines on Earth, they’re generally in places where hydrothermal processes have deposited zinc,” Squyres said.

Such places tend to be near volcanic activity, or other processes in the crust that heat the water around it.

On Mars, the movement of hot water was likely jumpstarted by the blow from the rock that formed Odyssey.

“A crater that size involves a lot of energy,” Squyres said.

When the large body gashed the surface of the Red Planet, it likely heated water already contained within the crust or at the surface.

Such water would only been moving temporarily, however, and would be unlikely to create long-term habitats for life.

The impact-driven movement of water is probably unconnected to the gypsum-rich rocks and their habitable environments, Squyres said. 

Research on the outcroppings was detailed Thursday in the online version of the journal Science.

 Mars rocks could shelter life, new study finds – Technology & science – Space – Space.com – msnbc.com.

, , , , , , ,

  1. Leave a comment

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s

SATIRE NATION

Off the charts...

Thoughtfully Prepping

My Scribblings about Prepping and Survivalism

Derek's Blog

Personal Blog about nothing

The Better Man Project

A man in progress. One day at a time.

Don Charisma

because anything is possible with Charisma

∙ tenderheartmusings ∙

we were born naked onto the page of existence; with nothing but the pen of our soul to write ourselves into eternal ecstasy ~ DreamingBear Baraka Kanaan

The Wine Wankers

Smile :) You’re at the best wine blog ever! Scroll down to read our fun stories, and join our journey as we fight through the wine jargon in search of a good glass of wine. Wine blogs; the best place to read about wine online! We're rated as one of the most infuential wine people on the net by Klout and Kred. Contact: winewankers@hotmail.com

Good Time Stories

Inspiring and Heartwarming Stories

musings from a musical mind

60's flowerchild,herbalist,dreamer, seeker of truth

retireediary

The Diary of a Retiree

AirportsMadeSimple

Your Interactive Travel Magazine~Showcasing a Variety of Authors

oasisbidari

A fine WordPress.com site

NoWorksSalvationApocalypseNow

Finishing Lifes Race Strong

Deep Shit Media

Alternative Sovereign Communications

38 Years

Perspective from the middle ages of life

Bookgirl

A great WordPress.com site

Chastisement 2013

Watch and Be Ready

Direct From The Street - Stuff We And People Share

Photos, Videos, Articles - Business, Social Media, Marketing, Entertainment, Fashion, Sports, Life

Follow

Get every new post delivered to your Inbox.

Join 364 other followers

%d bloggers like this: