Magazine

Exoplanets, Planets, Solar System

Weird Object: Neptune’s Moon Triton

Exotic Objects

Weird Object: Magnetar SGR 1806-20

Galaxies

Weird Object: Galaxy Cluster CLG J02182–05102

Exoplanets, Planets

Do planets affect you?

Solar System

Intentional ignorance

Robotic Spaceflight

Web Extra: Watch how NuSTAR unfolded in space

Milky Way

Our solar system is in an outer spiral arm of the Milky Way, but do we know where our galaxy is within the universe?

Telescopes and Equipment

Web Extra: Rebirth of a legendary telescope

The Sun

The doppelgänger effect

Astrophotography

Solar prominences

Deep-Sky Objects

Messier’s 102nd entry is known as the lost Messier object. Has there been any agreement on what this M object might be?

Observing Basics

Understanding brightness