Curiosity rover finds Mars may not be as dense as thought

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Curiosity rover moving on the surface of Mars. Image: NASA/JPL-Caltech
Image:

Curiosity rover moving on the surface of Mars. Image: NASA/JPL-Caltech

Curiosity rover uses on-board accelerometers to measure Mars' density and gravity

Rock layers on the lower slopes of Mount Sharp on Mars are porous and much less dense than thought, according to a study by scientists from NASA's Jet Propulsion Laboratory (JPL), University of Maryland,...

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