Further evidence that Mars once had oceans emerges

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Mars Express has used its MARSIS radar to give strong evidence for a former ocean of Mars (Image: ESA, C. Carreau)

New results from the MARSIS radar on Mars Express give strong evidence for a former ocean on Mars that would have covered the northern plains billions of years ago (Image: ESA, C. Carreau)

Article Summary

The European Space Agency (ESA) has provided more evidence that suggests the surface of Mars was once home to an ocean. Featuring ground-penetrating radar capabilities, the MARSIS (Mars Advanced Radar for Subsurface and Ionosphere Sounding) radar aboard the ESA’s Mars Express spacecraft has detected sediments like that seen on an ocean floor.

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