Ancient Mars River 1-3 Feet Deep(space.com)
space.com
Ancient Mars River 1-3 Feet Deep
http://www.space.com/21361-mars-pebbles-ancient-water.html
1 comments
We are, in just a few months, going from asking if there was ever water on Mars to being able to calculate how deep and fast were some streams. Most people doesn't realize it, but we are in the middle of a paradigm change. It is happening before our eyes.