Celestial Objects

Comets Planets Stars Moon Star Clusters Asteroids Sun Nebulas Meteors Constellations Interstellar Objects Moons Galaxies Triple-Star System Milky Way Oort Cloud Objects Oort Cloud Comet Oumuamua Solar System Saturn Jupiter Brown Dwarfs Apophis Trojan Asteroids Nebulae Asteroid Orbits

Geminid Meteor Shower Peaks Dec. 13–14 With Dark Skies and Up to 150 Meteors an Hour

The display stems from rocky debris shed by asteroid 3200 Phaethon, not a comet.

Comet Lemmon Stays Bright as Final Easy Viewing Window Closes

Twin Comets Lemmon and SWAN Light Up Northern Skies as Brief Viewing Window Peaks

Twin Green Comets Enter Prime Viewing Week Before Closest Approaches

Comets Lemmon and SWAN Poised for Best Viewing Oct. 20–21