Three big, basic facts about Mars will render it forever out of reach for permanent human settlement. Read more about them on Substack.
Three big, basic facts about Mars will render it forever out of reach for permanent human settlement. Read more about them on Substack.
Interesting that they did not mention nitrogen - I thought the extremely low abundance of which would make permanent habitation very challenging without perfect recycling and/or imports to maintain closecd off biospheres.