Genres: Documentary
Duration: 6 minutes 54 seconds
Subtitles: English (United States)
Availability: Worldwide

Above 63,000 feet atmospheric pressure is so low that water boils at body temperature. To investigate these regions of the atmosphere, NASA has a high altitude aircraft that flies over 70,000 feet. But there are some risks when someone is exposed to such low pressure environments. Discover how ER-2 pilots explore the limits of the sky.