Twinkle, Twinkle, Bang!
The Supernova that Wiped the Windscreen of the Universe

You may have noticed the night sky; that dark vault of void speckled with pinpoints and twinkles, an occasional meteor, the part-time moon and the Milky Way. You may even — perhaps without knowing it — have made out some of the more exotic features, such as the clusters and nebulae where stars are born or the barely-discernible…