Celestial Objects

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

Quadrantids Set to Peak Jan. 3–4, but Full Moon Will Mute the Show

A narrow six-hour maximum favors Asia this year due to the shower’s thin particle stream.

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

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