Mir isn’t in orbit anymore, it was decommissioned and burned up in the atmosphere in March, 2001. An astronaut, whether in Mir or in the new International Space Station (ISS) receives about 1 millisievert/day (mSv/day) or 0.365 Sv/yr. Normal overall radiation dose for someone on earth is about 3.5 mSV/year. 4 Sv kills most people, […]
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