Light up the Night:Roland Dechesne demonstrates ways light glare can affect people at the Rothney Astrophysical Observatory’s monthly open house. (Photo by Julian Barber/The Press)
20141115 Light Pollution JB 011
Light up the Night:Roland Dechesne demonstrates ways light glare can affect people at the Rothney Astrophysical Observatory’s monthly open house. (Photo by Julian Barber/The Press)
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