As US astronomers cheer the completion of the state-of-the-art project to rejuvenate the iconic Hale Telescope, one key collaborator is locked out of the celebrations and banned from exporting to the United States.
The Next Generation Palomar Spectrograph (NGPS) has given the 76-year-old telescope at the California Institute of Technology’s Palomar Observatory an unmatched ability to capture fainter objects and reveal unprecedented details of the universe.
