The presence of water on Mars has been theorized for centuries. Early telescopes revealed ice caps, and early astronomers noted channels that were hypothesized to be natural rivers or creature-created canals.
from All Top News -- ScienceDaily https://www.sciencedaily.com/releases/2018/11/181105132920.htm
from All Top News -- ScienceDaily https://www.sciencedaily.com/releases/2018/11/181105132920.htm
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