Footage of Arecibo Observatory collapse

Footage of the collapse of the Arecibo Observatory. Credit: Courtesy of the Arecibo Observatory, a U.S. National Science Foundation facility Video 1. This video was taken from the vantage point of the Arecibo operations building (Building 1), where the Arecibo telescope operators conduct telescope operations. At the center of the video is the telescope platform, including the Gregorian dome. The catwalk, used to walk from the ground up to the top of the platform, is seen to extend from the left side of the