Aurora Borealis: when and where to see themColorful and moving, the Northern Lights appear in Earth's atmosphere. In Quebec, they are more visible in certain regions.Capture shooting stars on cameraShooting star photography, including the Perseids, requires good preparation. Here are technical tips for successful images.See the International Space Station and other artificial satellites pass byIt's easy to identify the International Space Station and man-made satellites. These move like airplanes at high altitudes.Sirius, Antares and other bright starsSome visible stars often seem to blink. The flickering effect, observable under certain conditions, is explained by an optical effect.The selling of stars is a business practice that is frowned uponSome companies sell stars identified from databases. This practice is frowned upon by the Rio Tinto Alcan Planetarium.