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Light Pollution

The stray light cast into the sky by streetlamps, porch lights, neon signs, and other glowing objects that hinders our visibility of the night sky.

Radio Programs

Night Lights One type of nightlight hurts another July 1, 2021

Eta Aquarid Meteors Lighting up a meteor shower May 3, 2020

Sky Test Testing the quality of the night sky May 19, 2017

Darker Skies A way to darken the night sky March 12, 2017

Featured Images

Nighttime view of Florida from the International Space Station

Bright Nights March 12, 2017