* . *
  • About
  • Advertise
  • Privacy & Policy
  • Contact
Sunday, June 29, 2025
Earth-News
  • Home
  • Business
  • Entertainment
    Susquehanna Raises Penn Entertainment Inc. (PENN) Price Target. – Yahoo Finance

    Susquehanna Raises Price Target for Penn Entertainment Inc. (PENN)

    George Lopez is coming to Spokane – KXLY.com

    George Lopez is coming to Spokane – KXLY.com

    Netflix unveils Dallas immersive venue for fans of hit shows like ‘Squid Game,’ ‘Stranger Things’ – Houston Chronicle

    Step Inside Netflix’s New Dallas Immersive Experience Featuring Hits Like ‘Squid Game’ and ‘Stranger Things

    ‘Puttin’ on the Ritz’: Civic Players bring ‘Young Frankenstein’ to life – Yahoo

    Civic Players Deliver a Hilarious and Unforgettable Performance of ‘Young Frankenstein

    ‘Wheel of Fortune’: Amputee Wins $60,000 After Breaking Incredible ‘Curse’ – Hastings Tribune

    Wheel of Fortune’ Amputee Breaks Incredible ‘Curse’ to Win $60,000!

    North Star Sports & Entertainment Network: Coming soon – KTTC News

    North Star Sports & Entertainment Network: Coming soon – KTTC News

  • General
  • Health
  • News

    Cracking the Code: Why China’s Economic Challenges Aren’t Shaking Markets, Unlike America’s” – Bloomberg

    Trump’s Narrow Window to Spread the Truth About Harris

    Trump’s Narrow Window to Spread the Truth About Harris

    Israel-Gaza war live updates: Hamas leader Ismail Haniyeh assassinated in Iran, group says

    Israel-Gaza war live updates: Hamas leader Ismail Haniyeh assassinated in Iran, group says

    PAP Boss to Niger Delta Youths, Stay Away from the Protest

    PAP Boss to Niger Delta Youths, Stay Away from the Protest

    Court Restricts Protests In Lagos To Freedom, Peace Park

    Court Restricts Protests In Lagos To Freedom, Peace Park

    Fans React to Jazz Jennings’ Inspiring Weight Loss Journey

    Fans React to Jazz Jennings’ Inspiring Weight Loss Journey

    Trending Tags

    • Trump Inauguration
    • United Stated
    • White House
    • Market Stories
    • Election Results
  • Science
  • Sports
  • Technology
    Naples restaurant owner prepares for hurricane season with new flood technology – Fox4Now.com

    Naples restaurant owner prepares for hurricane season with new flood technology – Fox4Now.com

    Emerging Memory and Storage Technology Market Analysis Report 2025-2034 | AI and HPC Boom Fuels Surging Demand for Fast, Low-Power Memory Devices – Yahoo Finance

    How AI and HPC Are Driving Explosive Growth in Fast, Low-Power Memory Technologies Through 2034

    Ostin Technology (OST): Volatility’s Warning or Contrarian Opportunity? – AInvest

    Ostin Technology (OST): Navigating Market Volatility – Red Flag or Hidden Opportunity?

    St. Francis Medical Center brings advanced robotic surgery technology to Northeast Louisiana – KNOE

    St. Francis Medical Center brings advanced robotic surgery technology to Northeast Louisiana – KNOE

    Wayve Expands Engineering Leadership to Power Next-Gen Autonomous Driving Technology – Silicon Canals

    Wayve Boosts Engineering Leadership to Accelerate Next-Gen Autonomous Driving Innovation

    Frontdoor Announces Tech Expert Dr. Bala Ganesh as Chief Technology Officer – Business Wire

    Frontdoor Appoints Tech Visionary Dr. Bala Ganesh as New Chief Technology Officer

    Trending Tags

    • Nintendo Switch
    • CES 2017
    • Playstation 4 Pro
    • Mark Zuckerberg
No Result
View All Result
  • Home
  • Business
  • Entertainment
    Susquehanna Raises Penn Entertainment Inc. (PENN) Price Target. – Yahoo Finance

    Susquehanna Raises Price Target for Penn Entertainment Inc. (PENN)

    George Lopez is coming to Spokane – KXLY.com

    George Lopez is coming to Spokane – KXLY.com

    Netflix unveils Dallas immersive venue for fans of hit shows like ‘Squid Game,’ ‘Stranger Things’ – Houston Chronicle

    Step Inside Netflix’s New Dallas Immersive Experience Featuring Hits Like ‘Squid Game’ and ‘Stranger Things

    ‘Puttin’ on the Ritz’: Civic Players bring ‘Young Frankenstein’ to life – Yahoo

    Civic Players Deliver a Hilarious and Unforgettable Performance of ‘Young Frankenstein

    ‘Wheel of Fortune’: Amputee Wins $60,000 After Breaking Incredible ‘Curse’ – Hastings Tribune

    Wheel of Fortune’ Amputee Breaks Incredible ‘Curse’ to Win $60,000!

    North Star Sports & Entertainment Network: Coming soon – KTTC News

    North Star Sports & Entertainment Network: Coming soon – KTTC News

  • General
  • Health
  • News

    Cracking the Code: Why China’s Economic Challenges Aren’t Shaking Markets, Unlike America’s” – Bloomberg

    Trump’s Narrow Window to Spread the Truth About Harris

    Trump’s Narrow Window to Spread the Truth About Harris

    Israel-Gaza war live updates: Hamas leader Ismail Haniyeh assassinated in Iran, group says

    Israel-Gaza war live updates: Hamas leader Ismail Haniyeh assassinated in Iran, group says

    PAP Boss to Niger Delta Youths, Stay Away from the Protest

    PAP Boss to Niger Delta Youths, Stay Away from the Protest

    Court Restricts Protests In Lagos To Freedom, Peace Park

    Court Restricts Protests In Lagos To Freedom, Peace Park

    Fans React to Jazz Jennings’ Inspiring Weight Loss Journey

    Fans React to Jazz Jennings’ Inspiring Weight Loss Journey

    Trending Tags

    • Trump Inauguration
    • United Stated
    • White House
    • Market Stories
    • Election Results
  • Science
  • Sports
  • Technology
    Naples restaurant owner prepares for hurricane season with new flood technology – Fox4Now.com

    Naples restaurant owner prepares for hurricane season with new flood technology – Fox4Now.com

    Emerging Memory and Storage Technology Market Analysis Report 2025-2034 | AI and HPC Boom Fuels Surging Demand for Fast, Low-Power Memory Devices – Yahoo Finance

    How AI and HPC Are Driving Explosive Growth in Fast, Low-Power Memory Technologies Through 2034

    Ostin Technology (OST): Volatility’s Warning or Contrarian Opportunity? – AInvest

    Ostin Technology (OST): Navigating Market Volatility – Red Flag or Hidden Opportunity?

    St. Francis Medical Center brings advanced robotic surgery technology to Northeast Louisiana – KNOE

    St. Francis Medical Center brings advanced robotic surgery technology to Northeast Louisiana – KNOE

    Wayve Expands Engineering Leadership to Power Next-Gen Autonomous Driving Technology – Silicon Canals

    Wayve Boosts Engineering Leadership to Accelerate Next-Gen Autonomous Driving Innovation

    Frontdoor Announces Tech Expert Dr. Bala Ganesh as Chief Technology Officer – Business Wire

    Frontdoor Appoints Tech Visionary Dr. Bala Ganesh as New Chief Technology Officer

    Trending Tags

    • Nintendo Switch
    • CES 2017
    • Playstation 4 Pro
    • Mark Zuckerberg
No Result
View All Result
Earth-News
No Result
View All Result
Home Science

Bad news for life on Mars? Red Planet’s wet epoch may have been shorter than we thought

March 18, 2024
in Science
Bad news for life on Mars? Red Planet’s wet epoch may have been shorter than we thought
Share on FacebookShare on Twitter

At left, an illustration of a spacecraft in orbit around Mars. At right, a spacecraft photo of icy gullies on Mars.

Main image: Illustration of NASA’s Mars Reconnaissance Orbiter investigating Mars. Inset: a satellite image of Martian gullies with carbon dioxide ice visible at their edges.
(Image credit: Robert Lea/ NASA/ HiRISE (High Resolution Imaging Experiment), a camera on board the Mars Reconnaissance Orbiter (photo no.: ESP_039114_1115))

Mars may be dry and barren today, but multiple lines of evidence show that water flowed across the Red Planet billions of years ago. 

Now, new research has suggested that this water may have existed at the surface of Mars for less time than previously thought. That’s because gullies observed on Mars by spacecraft like NASA’s Mars Reconnaissance Orbiter (MRO), which had previously been thought to have been carved out by the flow of water, could have instead been created by explosively evaporating carbon dioxide ice. 

Because liquid water is considered a vital ingredient needed for the emergence and sustenance of living organisms, the results may be bad news for the hunt for ancient microscopic life on Mars.

“This influences our ideas about water on Mars in general, and therefore our search for life on the planet,” team leader and Utrecht University planetary researcher Lonneke Roelofs said in a statement. “The results of my research suggest that the chance of life having existed on Mars is smaller than previously thought.”

Related: Life on Mars could have thrived near active volcanoes and an ancient mile-deep lake

Less time with water means lower odds of life on Mars

Roelofs explained that the atmosphere of Mars is composed of 95% carbon dioxide. During the winter on Mars, temperatures fall to below minus 184 degrees Fahrenheit (minus 120 degrees Celsius), cold enough to freeze carbon dioxide in the Martian atmosphere.  

As it freezes, carbon dioxide gas can change directly to carbon dioxide ice, skipping an intermediate liquid phase altogether. A similar process is seen on Earth when water vapor forms ice crystals that blanket the ground.

Breaking space news, the latest updates on rocket launches, skywatching events and more!

When warmer temperatures arrive with the Martian spring, the carbon dioxide ice can go back to a gaseous form, straight from solid to gas again, skipping a liquid phase, a process called “sublimation” that is particularly violent on the Red Planet.

“The process is extremely explosive due to Mars’ low air pressure,” Roelofs said. “The created gas pressure pushes sediment grains apart, causing the material to flow, similar to debris flowing in mountainous areas on Earth. These flows can reshape the Martian landscape — even in the absence of water.”

a spacecraft photo of icy gullies on Mars

Mars gullies with carbon-dioxide ice on their edges, as seen by the HiRISE camera on board NASA’s Mars Reconnaissance Orbiter. (Image credit: HiRISE (High Resolution Imaging Experiment), a camera on board the Mars Reconnaissance Orbiter (photo no.: ESP_039114_1115))

Scientists had previously suggested that geological structures on Mars could have been heavily influenced by the sublimation of carbon dioxide ice, but those theories were based on satellite data or computer modeling. 

Roelofs and colleagues, however, simulated Mars conditions in the lab using their “Mars Chamber” and then directly observed the sublimation of carbon dioxide ice under these conditions. 

“Using this specialized lab equipment, we could directly study this process with our own eyes,” he said. “We even observed that debris flows driven by carbon dioxide ice under Martian conditions flow just as efficiently as the debris flows driven by water on Earth.”

So flowing water may not have been involved in the creation of some Martian gullies and channels.

“My research now shows that, in addition to debris flows powered by water, the sublimation of frozen carbon dioxide can also serve as a driving force behind the formation of these Martian gully landscapes,” Roelofs said. “That pushes the presence of water on Mars further into the past, making the chance of life on Mars smaller.”

The research was published last week in the journal Communications Earth & Environment.

Join our Space Forums to keep talking space on the latest missions, night sky and more! And if you have a news tip, correction or comment, let us know at: [email protected].

Robert Lea is a science journalist in the U.K. whose articles have been published in Physics World, New Scientist, Astronomy Magazine, All About Space, Newsweek and ZME Science. He also writes about science communication for Elsevier and the European Journal of Physics. Rob holds a bachelor of science degree in physics and astronomy from the U.K.’s Open University. Follow him on Twitter @sciencef1rst.

>>> Read full article>>>
Copyright for syndicated content belongs to the linked Source : Space.com – https://www.space.com/mars-wet-epoch-possibly-shorter-than-thought

Tags: epochplanetsscience
Previous Post

New NASA astronauts ‘thrilled’ to see 1st Boeing Starliner crew launch in May (exclusive)

Next Post

The Players Championship | Final Round highlights | Golf News | Sky Sports

79-year old man competing in his 16th World Police and Fire Games – WVTM

79-year old man competing in his 16th World Police and Fire Games – WVTM

June 29, 2025
The Economy Is So Off the Rails That They’re Trying to Figure Out How to Make Ads Specifically Targeted at AI Bots – Futurism

The Economy Is So Off the Rails That They’re Trying to Figure Out How to Make Ads Specifically Targeted at AI Bots – Futurism

June 29, 2025

WATCH: Health Secretary RFK Jr. Faces Intense Questioning on Vaccine Policy and Transparency in House Hearing

June 29, 2025
Jimmy Patronis hails House passage of bill benefitting military, veterans – Florida Politics

Jimmy Patronis Cheers House Approval of Landmark Bill Backing Military and Veterans

June 29, 2025
Naples restaurant owner prepares for hurricane season with new flood technology – Fox4Now.com

Naples restaurant owner prepares for hurricane season with new flood technology – Fox4Now.com

June 29, 2025
Fireworks sales support Folsom youth sports: ‘This is our biggest fundraiser’ – Sacramento Bee

Fireworks Sales Ignite Support for Folsom Youth Sports: “This Is Our Biggest Fundraiser

June 29, 2025
Murder, she measured: The impressive science behind Agatha Christie’s poisons – Big Think

Deadly Secrets Unveiled: The Fascinating Science Behind Agatha Christie’s Poisons

June 28, 2025
Science and social norms – Golf Course Management magazine

How Science is Revolutionizing Social Norms in Golf Course Management

June 28, 2025
Study Links Skipping Breakfast to Poor Diet and Lifestyle Habits in Teens – Olive Oil Times

Study Links Skipping Breakfast to Poor Diet and Lifestyle Habits in Teens – Olive Oil Times

June 28, 2025
What Worries the World – June 2025 – Ipsos

Top Global Concerns Shaping June 2025

June 28, 2025

Categories

Archives

June 2025
MTWTFSS
 1
2345678
9101112131415
16171819202122
23242526272829
30 
« May    
Earth-News.info

The Earth News is an independent English-language daily published Website from all around the World News

Browse by Category

  • Business (20,132)
  • Ecology (699)
  • Economy (723)
  • Entertainment (21,613)
  • General (15,615)
  • Health (9,762)
  • Lifestyle (727)
  • News (22,149)
  • People (723)
  • Politics (729)
  • Science (15,939)
  • Sports (21,219)
  • Technology (15,707)
  • World (703)

Recent News

79-year old man competing in his 16th World Police and Fire Games – WVTM

79-year old man competing in his 16th World Police and Fire Games – WVTM

June 29, 2025
The Economy Is So Off the Rails That They’re Trying to Figure Out How to Make Ads Specifically Targeted at AI Bots – Futurism

The Economy Is So Off the Rails That They’re Trying to Figure Out How to Make Ads Specifically Targeted at AI Bots – Futurism

June 29, 2025
  • About
  • Advertise
  • Privacy & Policy
  • Contact

© 2023 earth-news.info

No Result
View All Result

© 2023 earth-news.info

No Result
View All Result

© 2023 earth-news.info

Go to mobile version