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Human Spaceflight Services

 ▶  In-flight crew radiation exposure Provides near real-time estimate of the radiation dose received by a person in space.
 ▶  Cumulative crew radiation exposure Provides an estimate of the past radiation dose accumulated by a person in space.
 ▶  Increased crew radiation exposure risk Provides estimate of the risk of increased level of radiation along trajectory.

International Space Station space walk(© NASA)

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