Celebrate International Dark Sky Week with a night sky time-lapse

A few months ago we featured the work of astrophotographer Matt Dieterich, whose iconic photo of star trails over Mt. Rainier was selected for a special series of U.S. postage stamps commemorating the 100th anniversary of the U.S. National Park Service. If you haven't seen those photos, you should definitely check them out. In honor of International Dark Sky Week, Dieterich has just released a time-lapse video called Pacific Northwest Nights, usingphotos shot while working at Mt. Rainier Nationa...