Astronauts Would Face High Radiation on Manned Mars Mission

While Curiosity's primary mission was to find out if Mars might ever have been capable of supporting Martian life, the rover has also collected data pertinent for a different kind of life: human beings. Curiosity has kept tabs on radiation levels on Mars as well as during the 253-day, 350-million-mile trip it took to get there. Findings released today indicate that radiation levels an astronaut would receive from a trip to Mars and back would be high: approximately 2/3 of their lifetime reco