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☆ Mars study suggests an ocean's worth of water may be hiding beneath the red dusty surface
▼ + stars: | 2024-08-12 | by ( Associated Press | ) www.nbcnews.com time to read: +2 min

Mars may be drenched beneath its surface, with enough water hiding in the cracks of underground rocks to form a global ocean, new research suggests. The findings released Monday are based on seismic measurements from NASA’s Mars InSight lander, which detected more than 1,300 marsquakes before shutting down two years ago. Just because water still may be sloshing around inside Mars does not mean it holds life, Wright said. His team combined computer models with InSight readings including the quakes’ velocity in determining underground water was the most likely explanation. Wet almost all over more than 3 billion years ago, Mars is thought to have lost its surface water as its atmosphere thinned, turning the planet into the dry, dusty world known today.

Persons: Vashan Wright, Wright Organizations: University of California San Diego’s Scripps, of Oceanography, National Academy of Sciences

☆ Oceans of water may be trapped deep beneath the Martian surface
▼ + stars: | 2024-08-12 | by ( Ashley Strickland | ) edition.cnn.com time to read: +10 min

CNN —Data from a retired NASA mission has revealed evidence of an underground reservoir of water deep beneath the surface of Mars, according to new research. A team of scientists estimates that there may be enough water, trapped in tiny cracks and pores of rock in the middle of the Martian crust, to fill oceans on the planet’s surface. NASA's Mars Reconnaissance Orbiter took an image of InSight sitting on the Martian surface on February 2, 2019. “It’s certainly true on Earth — deep, deep mines host life, the bottom of the ocean hosts life. Windows into Martian historyThe findings add a new piece to the Martian water puzzle.

Persons: ”, Vashan Wright, ‘, Mars, orbiters, InSight’s seismometer, Wright, James Tuttle Keane, Aaron Rodriguez, Michael Manga, “ It’s, haven’t, Alberto Fairén, Fairén, Bruce Banerdt, we’re, Banerdt, al, ” Banerdt, “, ” Wright Organizations: CNN, NASA, National Academy of Sciences, Reconnaissance Orbiter, JPL, Caltech, University of Arizona, University of California, Diego’s Scripps, of Oceanography, Mars, Interior Exploration, Transport, Scripps Institute of Oceanography, University of Maryland, Cornell University Locations: Mars, Berkeley

☆ A hidden feedback loop under Antarctica’s glaciers could accelerate sea level rise, scientists find
▼ + stars: | 2023-10-27 | by ( Rachel Ramirez | ) edition.cnn.com time to read: +4 min

CNN —Glaciers in East Antarctica could lose ice faster in the future than previously thought, scientists reported Friday, in an alarming feedback loop where glacier meltwater is triggering even more ice loss and sea level rise as the planet warms. Together, these and other recent studies paint a dire picture of a melting southern continent that poses extreme risk of life-altering sea level rise around the world. Friday’s study factored that feedback into simulations to see how much it could accelerate Antarctic melting and sea level rise. Measuring this phenomenon and accounting for it in climate models is necessary “to get a realistic picture of global sea level rise,” Greenbaum said. “Given this evidence, subglacial melt and discharge is a process that can no longer be ignored in future projections of Antarctica’s contribution to sea level rise,” De Rydt told CNN.

Persons: CNN —, it’s, ”, Jamin Greenbaum, Denman, Scott, Greenbaum, ” Greenbaum, Tyler Pelle, ” Pelle, Pelle, we’re, ” Jan De Rydt, ” De Rydt, “ Organizations: CNN, University of California San Diego’s Scripps, of Oceanography, Scripps, Northumbria University Locations: East Antarctica, Antarctica

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