Space.com6 分钟
NASA and General Atomics test nuclear fuel for future moon and Mars missions
NASA and General Atomics tested the fuel by exposing it to temperatures up to 3,000 Kelvin (4,940 Fahrenheit or 2,727 Celsius ...
Ever-Growing USA on MSN21 小时
Breakthrough in Nuclear Rocket Fuel Brings Mars Missions Closer
NASA and its partners have successfully tested a nuclear thermal propulsion (NTP) fuel that could revolutionize deep-space ...