On May 20, 1990, the Hubble Space Telescope sent its first image to Earth. This photo turned out to be 50% sharper than ...

Steve Bellavia and Justine Haupt of the Custer Observatory worked on the new telescope at the Vera C. Rubin Observatory in ...

Sure, here is the revised description with all links and additional text removed: On December 25, 2021, the largest and most ...