You have to carry your urine in a plastic bottle with you inside your suit - since the environment is so fragile they try to remove all possible forms of contamination.
You have to carry it in your suit otherwise it freezes and pops and then there's pee everywhere.
Source: palaeontology field trip lecture
You have to carry it in your suit otherwise it freezes and pops and then there's pee everywhere.
Source: palaeontology field trip lecture