A long-exposure panoramic night photograph shows a very dark sky full of stars above a low horizon line. The Orion constellation is clearly visible near the center. Below the sky, the landscape consists of dark hills, silhouetted trees, and dry, reddish-brown brush.

What’s Up: December 2025 Skywatching Tips from NASA

The 3I/ATLAS comet appears, the Geminids sparkle, and the Moon and Jupiter get close The 3I/ATLAS comet makes its closest approach to Earth, the Geminid meteor shower sparkles across the sky, and the Moon and Jupiter get close for a conjunction. Skywatching Highlights Transcript The 3I/ATLAS comet makes its closest approach to Earth. The Geminid … Continue reading What’s Up: December 2025 Skywatching Tips from NASA

NASA Science