Sleepy sun could make Mars trips deadly

An unexpected lull in the sun's activity will let more cosmic radiation into the solar system, endangering astronauts on long interplanetary missions

















from New Scientist - Online news http://feeds.newscientist.com/c/749/f/10897/s/3faf295c/sc/32/l/0L0Snewscientist0N0Carticle0Cdn26430A0Esleepy0Esun0Ecould0Emake0Emars0Etrips0Edeadly0Bhtml0Dcmpid0FRSS0QNSNS0Q20A120EGLOBAL0Qonline0Enews/story01.htm