Quote:
Originally Posted by PhiGam
1. There are tall mountains and dry riverbeds
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Yes, it's worth spending the billions of dollars needed to go. Do you even know what a dry river bed could mean? This is proof that Mars once had a warm, wet climate, suitable for the origin of life. I've already said that it can get up to the mid 60s there. Life could have been possible in Mars' early years, because in its youth the planet's carbon dioxide atmosphere was much thicker, endowing it with a very strong greenhouse effect. And so what if there isn't any present day life. What about fossils? Wherever life has died out, it will leave fossils. We need people there to look.
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