Science Comet Pan-STARRS Peaks at Naked-Eye Visibility Before Dawn on April 17 by Anika Shah - Technology April 18, 2026 by Anika Shah - Technology April 18, 2026 Comet C/2025 R3 (PanSTARRS) reaches its peak visibility in the predawn sky on April 17, offering Northern Hemisphere observers a final opportunity to see it before it vanishes from view. … 0 FacebookTwitterPinterestEmail