Robert Bailey Conover, Wisconsin Great question ... For some comets, gas and dust might escape more or less evenly over the comet's entire surface, like a melting ice cube. In other cases ...

Why it's so special: Nicknamed the "Great Comet of 2025," Comet C/2024 G3 (ATLAS) is currently the brightest comet predicted to be visible from Earth all year. Discovered on April 5, 2024 by the ...