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"The mystery of life isn't a problem to solve, but a reality to experience." – Frank Herbert Some views of dunes on our favorite planet, as seen by (clockwise): 🟠 Mars Reconnaissance Orbiter 🟠 Odyssey 🟠 Opportunity 🟠 Curiosity More: search "dunes" at mars.nasa.gov

a field of sand dunes with bright frost on their rims, in the high-latitudes of the northern plains of Mars, seen from above

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a long, complex line of sand dunes, seen from above, that almost resembles a reptilian creature

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a "selfie" of the Curiosity rover with one wheel in a sand dune

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a field of dunes, with rover tracks stretching to the distant, flat horizon

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NASA JPL and NASA Solar System

11:30 PM · Oct 25, 2021

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What is the top right?😳

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It's a complex line of dunes, as seen from orbit by our Mars Odyssey spacecraft (and not a giant worm in the sand!). Details:

mars.nasa.gov

Mars Odyssey All Stars: Reptilian Dunes

Although this may look like a hostile alien life form, it's actually a complex line of sand dunes near the northern ice cap of Mars.

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Is the white stuff inside cracks on the ground in the rover composite picture water-ice? - or is it just a colourisation / image error?.

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They're mineral deposits, one of the signs of past water in Gale crater.

mars.nasa.gov

NASA's Curiosity Rover Finds an Ancient Oasis on Mars

New evidence suggests salty, shallow ponds once dotted a Martian crater — a sign of the planet's drying climate.

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This one is a couple years old yet isn’t it?

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That image looking back on the tracks from the rover gave me chills. That’s an awesome shot.

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Those are stunning photos! Mars rovers for the win!

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The 2nd picture is an alligator.

Gladys Mercedes Hernandez

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Odd reptile

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"Deep in the human unconscious is a pervasive need for a logical universe that makes sense. But the real universe is always one step beyond logic." - Frank Helbert 🧡🧡🧡🧡