Link to research on shielding for astronauts

http://www.space.com/businesstechnology/technology/rad_shield_040527.html

NOVA Magnetic Fields website:http://www.pbs.org/wgbh/nova/magnetic/

NASA Info on Cosmic Radiation: http://science.nasa.gov/newhome/headlines/ast17dec99_1.htm

NASA article on Solar flares: http://science.nasa.gov/headlines/y2003/12sep_magnetars.htm