Mars’s pressure is 1% of Earth’s at sea level, don’t believe the film “The Martian”, which on Earth is tantamount to a vacuum. Having said that NASA’s going to

Mars’s pressure is 1% of Earth’s at sea level, don’t believe the film “The Martian”, which on Earth is tantamount to a vacuum. Having said that NASA’s going to flying a helicopter drown there, the rotors just have to go around really fast to overcome the lower gravity.