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The environmental cost of light pollution

On my to-read list today is Light Pollution of the Mountain Areas in Poland by Ściężor, Kubala and Kaszowski. A quick skim suggests it's about the mechanics of measuring light pollution in Poland, but the references look like they could make the problem more...

Some splendid lunar animations

I'm working on a talk today. At one point it threatened to be interesting, but I think I've got that under control. Something that might spoil that plan though are some lunar animations from NASA. You can Dial-A-Moon at their website and download animations of...
Can you preserve sites on the Moon?

Can you preserve sites on the Moon?

This might sound like it’s either mad, who’s going to damage sites on the moon? or bleeding obvious, if we could still see Columbus’s first footprint on Hispaniola we’d preserve it, right? As the NYT points out, the Google X Prize is aimed at...
My God, it’s full of stars!

My God, it’s full of stars!

I saw a shooting star last night as it streaked across a sky full of stars. I kid you not! You could look up and see thousands of stars. Now, astronomy mavens might not be too impressed by that. Many people can see stars as dim as magnitude six in a dark sky, lucky...