NASA's Juno spacecraft detected the largest volcanic hotspot ever seen in our solar system. It appeared on Jupiter's moon Io, it covers 100,000 square kilometers (bigger than Lake Superior), and it radiates 80 trillion watts of heat. https://www.jpl.nasa.gov/news/nasa-juno-mission-spots-most-powerful-volcanic-activity-on-io-to-date/ #space #science #nature #nasa