NSF plans another collapse for Arecibo Observatory (op-ed)

The collapse of the world’s most powerful radio and radar telescope didn’t kill off science at the Arecibo Observatory, but the National Science Foundation (NSF) might. Puerto Rico’s Arecibo Observatory began observations in 1963 and gathered crucial data for three different types of science — until December 2020, when it collapsed after two support cables … Read more

First rays of sunlight for balloon-borne solar observatory Sunrise III

Ready for the mission: First light for the balloon-borne solar observatory Sunrise III. Credit: MPS, A. Gandorfer Approximately a month before it begins its research flight in the stratosphere, the balloon-borne solar observatory Sunrise III has looked at the Sun for the first time from its launch site at the Arctic Circle. In June, Sunrise … Read more