Can humans breathe on mars?
The Martian atmosphere is toxic, 95% carbon dioxide, 3% nitrogen, 1.6% argon, and traces of other gases including oxygen totaling less than 0.4%. In these conditions humans die within minutes unless a pressure suit provides life support.
By comparison, Mars' atmosphere is 95 percent carbon dioxide. "We need to breathe oxygen," said Lee. "There's no free oxygen in the Martian atmosphere. You cannot breathe this gas
Join Alexa Answers
Help make Alexa smarter and share your knowledge with the worldLEARN MORE