Curiosity Data Show Mars Radiation Risks

By Frank Morring, Jr.
Source: Aviation Week & Space Technology
December 16, 2013
Credit: NASA

Crews traveling to Mars and back with today's technology will face a 5% increase in their chances of developing cancer later in life—higher than is allowed today's NASA astronauts—new data from NASA's Curiosity Mars rover indicates.

Scientists used Curiosity's Radiation Assessment Detector (RAD) instrument to calculate a crew radiation dose over a 500-day roundtrip mission to Mars of about 1,000 millisieverts, including earlier data the RAD collected as Curiosity cruised to Mars.

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