Comet C/2025 R3 is already drawing attention—and offers a rare chance to understand what separates an ordinary comet from a truly “great” one.
BROOKSVILLE, Fla. (WFLA) — A rare green comet known as C/2025 A6 (Lemmon) passed Earth for the first time in over 1,300 years on Tuesday, National Geographic said. Wisconsin Florida Adventures ...