Once-in-170,000-year comet is streaking across the sky with glowing blue-green light: Spot it over Australia and New Zealand |
A rare long-period comet, C/2025 R3 (PanSTARRS), is currently visible in southern skies, offering a brief observing window before it fades from view. The object, which originates from the distant Oort Cloud, has already passed its closest approach to the Sun and is now moving away, causing its brightness to gradually decline. Astronomers estimate its…