A Mars Mission's Greatest Challenge: Radiation
daSeiz writes "A New York Times article explores the possible effects of prolonged radiation exposure in deep space. Surprisingly, very little is known about the subject. We'll need to find innovative new ways of shielding spacecraft from fraction-of-lightspeed interstellar rubbish if we're ever to spend much time outside our own magnetosphere."
Others include price, estimated at $30 billion to $60 billion, and launching enough food, supplies and fuel for a round trip. Any one of these could make the project impractical.
Well, not to sound too bitter, but going to Mars seems like a much better way to spend billions than going to Iraq.
Who said Freedom was Fair?
Ummm... Actually, wouldn't the worst problem be bone density loss. That's one of the main problems on the ISS (International Space Station). Without the effect of gravity, bone density decreases. From what I understand it's a pretty nasty recovery. The time required to go to and from Mars plus mission time would require much more time in space than any ISS mission to date.
Perhaps we could create a magnetic field pretty much like earth's to protect the spacecraft/station. Leaded materials are not an option, unless mars has a source of minerals that could be used to build the shielding. Anyway space research should be a priority. Many of the appliances and materials you use everyday use technology developed thanks to space research.