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Mars the wet planet

Mars the wet planet

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Mars the wet planet

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  1. Mars the wet planet

  2. A tall outcropping of rock, with layered deposits of sediments in the distance, marking a remnant of an ancient, long-vanished river delta in Jezero Crater, are pictured in this undated image taken by NASA's Mars rover Perseverance from its landing

  3. The surface of Mars directly below NASA's Mars Perseverance rover is seen using the Rover Down-Look Camera in an image acquired February 22, 2021. "We find the majority of Mars' water was lost to the crust.

  4. Portions of the Martian surface shot by NASA's Mars Reconnaissance Orbiter show many channels from 1 meter to 10 meters wide on a scarp in the Hellas impact basin, in this photograph taken January 14, 2011 and released by NASA March 9, 2011.

  5. The surface of Mars directly below NASA's Mars Perseverance rover is seen using the Rover Down-Look Camera in an image acquired February 22, 2021.

  6. An image taken by the Mars Reconnaissance Orbiter (MRO) and released March 29, 2017 shows a mound that appears to have blocked the path of dunes as they move south (north is to the left in this image).

  7. The "Rolling Stones Rock," slightly larger than a golf ball and named after the rock band, is seen on the surface of Mars after it rolled about 3 feet, spurred by the thrusters on NASA's InSight spacecraft, November 26, 2018.

  8. The surface of Mars directly below NASA's Mars Perseverance rover is seen using the Rover Down-Look Camera in an image acquired February 22, 2021.   NASA/JPL-Caltech/Handout via REUTERS

  9. Wheel tread marks are left in the soil of Jezero Crater on Mars, as NASA's Mars rover Perseverance drives on Martian surface for the first time, in this March 4, 2021 image supplied to Reuters.

  10. This image from the right Mast Camera (Mastcam) of NASA's Curiosity Mars rover shows rough spherical features on the surface of the planet in an area called 'Yellowknife Bay' in this NASA handout released January 15, 2013.

  11. The surface of Mars directly below NASA's Mars Perseverance rover is seen using the Rover Down-Look Camera in an image acquired February 22, 2021.   NASA/JPL-Caltech/Handout via REUTERS

  12. A view of the surface of Mars released by NASA on March 7, 2017, shows viscous, lobate flow features commonly found at the bases of slopes in the mid-latitudes of Mars, and are often associated with gullies.

  13. Two geologically young craters are seen on the surface of Mars, March 18, 2020. NASA/JPL-Caltech/University of Arizona/Handout via REUTERS

  14. The surface of Mars directly below NASA's Mars Perseverance rover is seen using the Rover Down-Look Camera in an image acquired February 22, 2021.   NASA/JPL-Caltech/Handout via REUTERS

  15. Cliffs of ancient ice are seen on the surface of Mars, featuring brown dusty cliff walls and light blue ice, August 15, 2020. NASA/JPL-Caltech/University of Arizona/Handout via REUTERS

  16. A field of barchan sand dunes appears turquoise blue on the surface of Mars in this enhanced image taken by the Mars Reconnaissance Orbiter, January 24, 2018. NASA/JPL-Caltech/University of Arizona/Handout via REUTERS

  17. NASA's Curiosity Mars Rover snaps a self-portrait at a site called Vera Rubin Ridge on the Martian surface in February 2018 in this image obtained on June 7, 2018.   Courtesy NASA/JPL-Caltech/MSSS/Handout via REUTERS

  18. A circular depression on the surface of Mars is pictured in his image acquired on Jan. 5, 2015 by the High Resolution Imaging Science Experiment (HiRISE) camera on NASA's Mars Reconnaissance Orbiter (MRO), provided by NASA.

  19. NASA's Mars rover Curiosity's hole drilled into a rock target, "Cumberland," on Mars on May 19, 2013 is shown in this NASA photo.

  20. An image from the Mast Camera (Mastcam) on NASA's Mars rover Curiosity shows the surface of the planet with inclined layering known as cross-bedding in an outcrop called "Shaler" on a scale of a few tenths of a meter, or decimeters (1 decimeter is

  21. The surface of the planet Mars inside Gale's Crater is shown as NASA's Mars rover Curiosity drives toward a flat rock with pale veins that may hold clues to a wet history on the planet in this NASA handout photo released January 15, 2013.