FEBRUARY

Four Planets Orbiting Star HR 8799

NGC 1316: After Galaxies Collide

Milky Way with Airglow Australis

Conjunction of Four

Odysseus Crater on Tethys

The Porpoise Galaxy from Hubble

NGC 6357: The Lobster Nebula

The Butterfly Nebula from Hubble

Crescent Enceladus

Melotte 15 in the Heart

Solar System Portrait

Comet 45P Passes Near the Earth

Cloud Swirls around Southern Jupiter from Juno

The Rosette Nebula

The Calabash Nebula from Hubble

The Tulip and Cygnus X-1

Polar Ring Galaxy NGC 660

Penumbral Eclipse Rising

Black Sun and Inverted Starfield

Almost Three Tails for Comet Encke

An Active Night over the Magellan Telescopes

Daphnis and the Rings of Saturn

Seven Worlds for TRAPPIST-1

NGC 3621: Far Beyond the Local Group

All Planets Panorama

A Supercell Thunderstorm Cloud Over Montana

Four Quasar Images Surround a Galaxy Lens

A White Oval Cloud on Jupiter from Juno