Citizen scientists help PARI catalog celestial photographs
The Pisgah Astronomical Research Institute is making use of citizen scientists from around the world to help sort and catalog its photo albums of the universe.
Since the late 1800s, astronomers have been taking images of the night sky, using the telescope like a long camera lens and putting either film or small, photographic plates at the eyepiece.
Dark skies — and the stars that go with them — slowly disappearing
Although the Great Smoky Mountains National Park is a protected expanse of land, all types of contamination — from air pollution to mercury contamination — manage to creep in. One of the more unusual suspects, but probably the most apparent, is light.
