As of right now, the astronauts aboard the ISS are exposed to over 10 times more radiation than on earth. There are a myriad of risks, including increased risk for cancer, potential damage to the central nervous system, degenerative tissue disease and radiation sickness. Humans traveling to Mars contend with three different gravity fields. On the journey to and from Mars, astronauts would be weightless,
As of right now, the astronauts aboard the ISS are exposed to over 10 times more radiation than on earth. There are a myriad of risks, including increased risk for cancer, potential damage to the central nervous system, degenerative tissue disease and radiation sickness. Humans traveling to Mars contend with three different gravity fields. On the journey to and from Mars, astronauts would be weightless,