The 3.7-billion-year-old formations in the planet's Gale Crater suggest the presence of long-gone bodies of liquid water, with no ice covering the surface ...
Get Instant Summarized Text (Gist) Ancient wave ripples on Mars, discovered by NASA's Curiosity rover, indicate the presence of ice-free, shallow lakes around 3.7 billion years ago. These ripples ...
A ripple tank is a transparent shallow tray of water with a light shining down through it onto a white card below. The light allows you to see the motion of the ripples created on the water's ...
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