NASA Running Out of Nuclear Fuel For Batteries

NASA Running Out of Nuclear Fuel For Batteries
Moscow (Sputnik) Mar 23, 2015 - The radioactive material NASA uses to power spacecraft for its deep space missions is now in short supply. The Agency says it only has enough to power three more batteries, leaving the future of American space exploration in jeopardy. Plutonium-238 (Pu-238), a hot radioactive isotope that's a byproduct of the process of making nuclear weapons, is in short supply. NASA has access to only ab ... morehttp://www.spacedaily.com/reports/NASA_Running_Out_of_Nuclear_Fuel_For_Batteries_999.html