Comet C/2025 R3 (Pan-STARRS) Approaches Perihelion, Offering Rare Viewing Opportunity
Comet C/2025 R3 (Pan-STARRS), discovered by the Pan-STARRS survey in Hawaii, is making a rare appearance in the inner solar system, an event that occurs only once every 170,000 years. Currently visible from the Northern Hemisphere, the comet is expected to brighten dramatically as it approaches perihelion in mid-to-late April, potentially reaching magnitude +3, making it visible without optical aid under good conditions. However, as the comet brightens, it sinks lower on the eastern horizon, making observation challenging due to twilight interference. Astronomers recommend viewing the comet in the early morning hours with an unobstructed view of the eastern horizon. The comet's unpredictable nature adds to the excitement, as its behavior can vary significantly due to the physics of outgassing.