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 ...
When you toss a pebble into a pond, it creates ripples on the surface that spread out, getting fainter as they get further from where the pebble smacked into the water. Gravitational waves do ...
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 ...
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