Search Results
Keyword：plutonium-238
Europe Advances Space Nuclear Power Research, Targeting Lunar and Mars Missions
The European Space Agency (ESA) is accelerating its assessment of nuclear energy applications in deep-space missions, focusing on using small nuclear reactors to power spacecraft electric propulsion systems, as well as providing stable energy for future fixed lunar surface facilities and subsequent Mars missions. Existing space missions primarily rely on chemical fuels and solar panels. The former is limited by the amount of propellant that can be carried, while the latter suffers from declining power generation efficiency as spacecraft move farther from the Sun. ESA believes that nuclear power systems could compensate for the shortcomings of both approaches, particularly in long-duration lunar operations and deeper space exploration. ESA completed a nuclear thermal propulsion study last year. In March this year, the agency...
2026-08-27
US Oak Ridge National Laboratory Advances Radioisotope Nuclear Battery Development
On August 17, 2026, the US Department of Energy's Oak Ridge National Laboratory stated that its nuclear battery program is advancing the development of radioisotope power systems to meet the demand for stable, long-life power sources in deep space exploration, long-term power supply in remote areas, and national security-related scenarios. NASA's Perseverance Mars rover poses with several of the 10 sample tubes it placed in a sample depot it established in a region of Jezero Crater called "Three Forks." The rover's radioisotope thermoelectric generator is powered by a nuclear battery. Image credit: NASA/JPL-Caltech/MSSS. Nuclear batteries generate electricity from the energy released by the decay of radioisotopes, making them suitable for environments such as the seafloor, remote deserts, and extraterrestrial surfaces where maintenance is difficult and continuous power supply is needed for years or even decades.
2026-08-19