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

Dark Parks Unfettered views of the night sky Tuesday, November 6, 2012
Blue Night The night sky gets a little bluer Monday, November 5, 2012
Crater Sipping from a faint celestial cup Saturday, April 9, 2011
Deadly Skies Dangerous lights in the night sky Sunday, July 4, 2010
Sky Test Putting the night sky to the test Saturday, July 3, 2010
Moon and Jupiter Two bright beacons in the morning sky Friday, July 2, 2010
Little Constellations Stacking three small constellations Tuesday, June 29, 2010
Dark Skies Getting back to Nature's dark side Monday, June 28, 2010

Featured Images

Nighttime view of the southeastern U.S. from the International Space Station
Blue Night Monday, November 5, 2012


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