New Nuclear Engine Could Power Deep-Space Exploration 0 Randall Gross ScienceNovember 2012Wednesday, November 28, 2012 at 3:55 am PST • Views: 1,035 19th Century 50-Pound Nuclear Uranium Deep-Space Exploration Probes Hot Pressurized Gas Los Alamos National Laboratory New Nuclear Engine Stirling Engine Spacecraft Single Stirling Engine Small Prototype Small Nuclear Source Nuclear Reactor Power Deep-Space Exploration Nuclear-Reactor Engine Design