• Question: What happens to a number 2 when an astronaut has one?

    Asked by Evie_F_DJS to Stephen on 10 Mar 2017.
    • Photo: Stephen Pulker

      Stephen Pulker answered on 10 Mar 2017:

      What a lovely question! An equally lovely answer . . . it gets “deposited” into a special space toilet which (gently!) sucks to make sure it doesn’t end up floating around your face. It then gets compacted into a bag and stored in a special “trash” module. When full this is ejected and is directly to re-enter earth’s atmosphere where the trash (No. 2’s included) burn up and turn to vapour / dust (eventually someone may breathe some of it in).

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