Approximately how much higher could the annual equivalent radiation dose be for an astronaut on a Mars transit compared to the background rate on Earth?

Answer

Ten to twenty times higher

Estimates suggest that an astronaut during a Mars transit could receive an annual equivalent dose ten to twenty times greater than the background dose accumulated by individuals on Earth.

Approximately how much higher could the annual equivalent radiation dose be for an astronaut on a Mars transit compared to the background rate on Earth?
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