• Question: how do astronauts breathe in space?

    Asked by to Edward, Ian, Mathew, Naomi, sakshisharda on 19 Jun 2014. This question was also asked by .
    • Photo: Ian Stephenson

      Ian Stephenson answered on 19 Jun 2014:

      They carry oxygen tanks, just like scuba divers do.

    • Photo: Naomi Osborne

      Naomi Osborne answered on 22 Jun 2014:

      Spacesuits and spacecraft have their own oxygen supply – provided by generators in spacecraft so astronauts don’t have to wear suits, or by by oxygen tanks when they’re outside like Ian mentioned. They also remove exhaled carbon dioxide which makes the oxygen last longer 🙂

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