How Much Radiation Do Astronauts Get?
Problem 3 - The Curiosity Rover RAD instrument says that on the surface of Mars, an astronaut will receive an average Dose Rate of about 0.7 milliSieverts per day of radiation. What is the estimated Dose Rate in space during the cruise to Mars? Answer: 0.7 x 1.9 = 1.3 milliSieverts/day.
