No star lives forever. Starlight Glimmer knows this. Daybreaker haunts her dreams with visions of the fate that awaits Princess Celestia after surrendering power to Twilight. Can Starlight use her knowledge of astrophysics to defeat her nightmare and prevent Equestria being consumed by a chasm of infinite darkness?

Written to mark the award of the Nobel Prize in Physics 2020 to Roger Penrose, Reinhard Genzel, and Andrea Ghez for their work on black holes.