Daily photo: 28/11/2011
![Long-exposure photograph of early evening sky, moon and clouds reflecting back streetlighting Long-exposure photograph of early evening sky, moon and clouds reflecting back streetlighting](http://www.astrofiammante.net/wp-content/uploads/2011/11/281111.jpg)
Light pollution: A phenomenon in which excessive artificial light levels produce consequences for astronomy, ecosystems and potentially human health.
Light pollution: A phenomenon in which excessive artificial light levels produce consequences for astronomy, ecosystems and potentially human health.