The entire wiki reimagined as a visual magazine with video discovery · Watch your interests come alive
The entire wiki reimagined as a visual magazine with video discovery · Watch your interests come alive
Light pollution over Melbourne, Australia
Light pollution over Melbourne, Australia
A light pollution source, using a broad spectrum metal halide lamp, pointing upward at Uniqema factory, Gouda, the Netherlands
A light pollution source, using a broad spectrum metal halide lamp, pointing upward at Uniqema factory, Gouda, the Netherlands
The city of Phoenix, seen from 55 miles (89 km) away in Surprise, Arizona
The city of Phoenix, seen from 55 miles (89 km) away in Surprise, Arizona
An office building is illuminated by high-pressure sodium (HPS) lamps shining upward. Much light goes into the sky and neighboring apartment blocks, c
An office building is illuminated by high-pressure sodium (HPS) lamps shining upward. Much light goes into the sky and neighboring apartment blocks, causing light pollution.
The Galactic Center as seen from Earth's night sky (featuring the telescope's laser guide star).
The Galactic Center as seen from Earth's night sky (featuring the telescope's laser guide star).
The Milky Way as seen from a dark site with little light pollution
The Milky Way as seen from a dark site with little light pollution
Photograph of the "Great Andromeda Nebula" from 1899, later identified as the Andromeda Galaxy
Photograph of the "Great Andromeda Nebula" from 1899, later identified as the Andromeda Galaxy
A diagram of the Sun's location in the Milky Way; the angles represent longitudes in the galactic coordinate system
A diagram of the Sun's location in the Milky Way; the angles represent longitudes in the galactic coordinate system