Is C/2025 R3 PanSTARRS the 2026 great comet everyone’s watching? After a memorable run of bright comets in 2025, skywatchers are turning their attention to C/2025 R3 PanSTARRS as a potential late-April 2026 spectacle. The idea of a “great comet” — a visitor bright enough to be seen with the naked eye for an extended…