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New Study Challenges Long-Held Theory of Fate of Mars Water
Global View of Mars From Viking Orbiter: This global view of Mars is composed of about 100 Viking Orbiter images. Credits: NASA/JPL-Caltech/USGS. Download image ›
The new science results indicate that a large quantity of the Red Planet’s water is trapped in its crust rather than having escaped into space.
Billions of years ago, according to geological evidence, abundant water flowed across Mars and collected into pools, lakes, and deep oceans. New NASA-funded research shows a substantial quantity of its water – between 30 and 99% – is trapped within minerals in the planet’s crust, challenging the current theory that due to the Red Planet’s low gravity, its water escaped into space.
NASA s Perseverance Rover 22 Days From Mars Landing
Perseverance’s Stages of Descent (Illustration): This illustration depicts the some of the major milestones NASA’s Perseverance rover will go through during its seven-minute descent to the Martian surface on Feb. 18, 2021. Credit: NASA/JPL-Caltech. Full image and caption ›
Seven minutes of harrowing descent to the Red Planet is in the not-so-distant future for the agency’s Mars 2020 mission.
NASA’s Mars 2020 Perseverance rover mission is just 22 days from landing on the surface of Mars. The spacecraft has about 25.6 million miles (41.2 million kilometers) remaining in its 292.5-million-mile (470.8-million-kilometer) journey and is currently closing that distance at 1.6 miles per second (2.5 kilometers per second). Once at the top of the Red Planet’s atmosphere, an action-packed seven minutes of descent awaits – complete with temperatures equivalent to the surface of the Sun, a supersonic parachute inflation, and t
NASA Extends Exploration for Two Planetary Science Missions
InSight on Mars (Illustration): This illustration shows NASA s InSight spacecraft with its instruments deployed on the Martian surface. Credit: NASA/JPL-Caltech. Full image and caption ›
The missions – Juno and InSight – have each increased our understanding of our solar system, as well as spurred new sets of diverse questions.
As NASA prepares to send astronauts back to the Moon and on to Mars, the agency’s quest to seek answers about our solar system and beyond continues to inform those efforts and generate new discoveries. The agency has extended the missions of two spacecraft, following an external review of their scientific productivity.