A Mission To Mars - Part Two
A Mission To Mars - Part Two
Moscow (RIA Novosti) Nov 02, 2006
The 438-day flight aboard the Mir orbiter by physician Valery Polyakov at the end of the last century showed there are no fundamental medical or biological restrictions to extended space missions. Radiation, however, is another matter. Its effects intensify multifold when the vehicle leaves the protection of Earth's magnetosphere. This demands a special anti-radiation facility. It might be a radiation shelter that could absorb charged particles or an artificial electromagnetic field built up around the craft.
http://www.marsdaily.com/reports/A_Mission_To_Mars_Part_Two_999.html