NASA's Voyager Probes Encounter 'Wall of Fire' at Solar System's Edge
NASA's Voyager probes encountered a 'wall of fire' at the edge of the Solar System, measuring temperatures of 30,000-50,000 kelvin. The boundary of the Solar System is a topic of debate, with various definitions including the Oort cloud and the Sun's magnetic edge.
iflscience.com11mo ago
