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 ...
ExplorersWeb on MSN7d
Liquid Water Once Flowed on the Surface of MarsNASA's Rover found ripples in Martian rock that resemble the wave patterns on a sandy lake bed on Earth. The ripples could ...
If you throw a pebble in a pond, the ripples show concentric circles. These concentric circles increase the length of the radius by 2cm each circle.
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