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Life on the ISS
- Astronaut Ann McClain recounts her 204-day stay on the ISS, describing the thin walls and the surprising experience of watching the sunrise.
- She also mentions the phenomenon of seeing shooting stars when closing her eyes due to radiation hitting the retinas.
Radiation Dangers Beyond Earth's Shield
- The Earth's magnetic field shields the ISS from most cosmic radiation, but radiation exposure increases significantly further out in space.
- A 2016 study linked brief exposure outside this field to higher heart disease mortality risks for Apollo astronauts.
BioSentinel Experiment
- The Artemis 1 mission includes BioSentinel, an experiment studying deep space radiation's long-term effects.
- Using yeast (similar to humans in radiation response), it'll track growth rates over six months in a solar orbit.