NASA is developing the ‘1st nuclear powered interplanetary spacecraft.’ What about the Voyager probes? What is nuclear electric propulsion and how is it different from radioisotope thermoelectric generators? Astrobitica March 27, 2026 (Last updated: March 27, 2026) 1 minute read What is nuclear electric propulsion and how is it different from radioisotope thermoelectric generators? About the Author Astrobitica Administrator Visit Website View All Posts Post navigation Previous: SBQuantum and Spire to send quantum diamond magnetometer into orbitNext: What time is NASA’s Artemis 2 moon launch on April 1?