351K views · 1.7K reactions | A supernova is a dichotomy in the universe. Created under the intense heat and pressure of a dying star, its beautiful explosion flings matter and elements to create new galaxies and planetary bodies. Go inside how they're formed in a new HOW THE UNIVERSE WORKS tonight at 10P on Science Channel and streaming on #SCIgo. | Science Channel | Facebook

613K views · 9.2K reactions | An incredible cosmic blast! 勞 Astronomers believe this explosion, SN 2015F, was triggered by the collision of a white dwarf and a Sun-like star in the NGC 2442 galaxy. While the actual supernova lit up 80 million years ago, its light has only recently reached Earth, allowing us to witness this ancient event.  Credit: Changsu Choi & Myungshin Im (Seoul National University) | The Galactic Void | Facebook