J. Kelly Beatty from Sky and Telescope Magazine offers a guide to choosing your first telescope. Observatory Night from December 19, 2013 at the Harvard-Smithsonian Center for Astrophysics: Starting out in astronomy can be a sea of jargon and gear.
Dec 01, 2020 · A huge, already damaged radio telescope in Puerto Rico that has played a key role in astronomical discoveries for more than half a century completely collapsed on Tuesday. The telescope's 900-ton receiver platform and the Gregorian dome — a structure as tall as a four-story building that houses secondary reflectors — fell onto the northern portion of the vast reflector dish more than 400 ...