• Question: How long would you survive for is you are alone in an astronaut suit in space?

    Asked by Jason to Dawn, David on 23 Jun 2016.
    • Photo: David Robertson

      David Robertson answered on 23 Jun 2016:

      If it is a good astronaut suit, then you could survive for as long as the supplies of food, water, and most importantly energy and oxygen lasted.

      Once oxygen runs out you will died within a few minutes.

      The suit needs energy to heat and cool it. If you are in sunlight you get very hot, and if you are in the shade you get very cold, so if the energy runs out you will get either freeze or burn.

    • Photo: Dawn Lau

      Dawn Lau answered on 23 Jun 2016:

      If you’ve used up all the oxygen in the tank and suit, your cells start to dysfunction within a few minutes. Irreversible brain damage happens between 3-5 minutes. You would be brain dead soon after.

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