IN A NUTSHELL 🚀 RTGs provide reliable power for spacecraft by harnessing heat from radioactive decay. 🔬 The Seebeck effect converts temperature differences into electric current, enabling long-term missions. 🌌 RTGs are essential for deep-space missions where solar power is insufficient. 🌍 Originally developed in the 1950s, RTG technology remains crucial for exploring remote frontiers. … Continue reading “Space Should Kill Them in Days”: The Hidden Tech Keeping Spacecraft Alive Alone in the Frozen Void for Decades Without Failing