Using spacecrafts' orbital irregularities to "see" beyond the surface of Mars. A new map of Mars' gravity made with three NASA spacecraft is the most detailed to date, providing a revealing glimpse into the hidden interior of the Red Planet. "Gravity maps allow us to see inside a planet, just as a doctor uses an X-ray to see inside a patient," said Antonio Genova of the Massachusetts Institute of Technology (MIT), Cambridge, Massachusetts. "The new gravity map will be helpful for future Mars exp

Both scientists and the public can navigate a new global map of Mars that shows cliffs, craters, and dust devil tracks in mesmerizing detail. It uses a mosaic composed of 110,000 images from NASA’s Mars Reconnaissance Orbiter. See more and try it yourself: https://go.nasa.gov/410VjZI | NASA Mars

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