@spacegenerationx on Instagram: "💥SUPERNOVA EXPLOSION 🌏 Part 287 ✨FUN FACT : A new NASA video shows Kepler’s Supernova Remnant evolving in X-rays using Chandra observations spanning more than 25 years (2000, 2004, 2006, 2014, and 2025). The remnant comes from a Type Ia supernova first seen in 1604, when a white dwarf exploded after gaining too much mass—events like this are key tools scientists use to measure the universe’s expansion. Because the debris is heated to millions of degrees, it shi