Making it to Mars: Where's the Oxygen? Video Watch time 2 Minutes February 22, 2021 What do humans and rockets have in common? They both need oxygen! And it turns out it’s in short supply on Mars. Learn how Mars’s atmosphere is different from Earth’s and why it’s one of the things that makes putting humans on Mars so difficult. Vaya aquí para ver este video en español. *This material is based upon work supported by NASA under grant number 80NSSC21M0042. Any opinions, findings, and conclusions or recommendations expressed are those of the Museum of Science, Boston and do not necessarily reflect the views of the National Aeronautics and Space Administration (NASA). Topics Space Sciences Mars Engineering Share