The Supernova That Shocked Science 🌌💥

Added: 2026-05-25

[00:00:00]What you are looking at right now is one of the most powerful explosions ever captured by human technology. This is a supernova inside NGC 2442, [music] a galaxy already known for its strange asymmetrical shape that looks like it was torn apart by something we cannot fully explain.

[00:00:18]>> [music] >> But this explosion changed science forever. Using its light, scientists were able to measure [music] exactly how fast our universe is expanding, something no instrument had ever achieved this accurately. At its brightest, this single dying star [music] produced as much light as 100 billion suns, outshining every [music] single star in the entire galaxy. And this explosion happened 50 to 76 million years ago, when dinosaurs still walked the Earth, but we only saw it in 2015.

[00:00:50]A star died millions of years before humans ever existed, and we only just [music] discovered it.