G3 (ATLAS) is expected to become brighter than Venus next week, and will probably be the brightest comet of 2025. It has already achieved a brightness similar to famously bright stars like Antares and Spica – however,

The object is designated Comet C/2024 G3 (ATLAS), as it was first reported by the Asteroid Terrestrial-impact Last Alert System (ATLAS) telescope in Chile. Don’t let the name of the telescope worry you—the comet will pass by Earth, not impact it—but that’s only if the comet manages to survive a near pass of the Sun on January 13.

The comet could become as bright as magnitude -4.9 at its peak, meaning it may be visible during the day. However, because the comet will be so close to the sun, it's best to avoi