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Comment by GlenTheMachine

2 hours ago

You wouldn't. Ionizing radiation at GEO altitude quickly exceeds your lifetime exposure dose.

The Apollo (and Artemis II) astronauts went through GEO inside a metal capsule going as fast as they could.

a relatively detailed analysis of estimated radiation for a 650 day trip to mars:

https://pmc.ncbi.nlm.nih.gov/articles/PMC9916691/

from other sources If I'm reading things right, one estimate of a round trip to mars would be 1000 millisieverts, which is considerable, the maximum allowed annual dose for a US radiation industry worker is 50mSv.