In the autumn of 2024, a black hole tore apart a massive star in an event so violent it briefly outshone every known supernova in the observable universe. Astronomers watching from California to the Canary Islands found themselves witnesses to what they would call 'the Whippet'—a rare and poorly understood class of cosmic destruction that raises ancient questions about endings and what, if anything, endures them. The discovery reminds us that the universe's most extreme moments are also, in their way, its most instructive: in the wreckage of a star, science finds new clues about how black hole