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1) Liquid water cannot exist on the surface of Mars today due to the low atmospheric pressure, except for some locations and brief periods. However, there is evidence that liquid water was once present on Mars in the past. 2) Landforms such as large outflow channels and valleys provide evidence that water erosion occurred on Mars in the past. Minerals such as hematite and jarosite that form in the presence of water have also been detected, further indicating past water activity. 3) Recent findings by NASA

Author

Kaveri

Language

EN