Subject: Science and tech Context: Himalayan Chandra Telescope celebrates 20th birthday Concept: The 2-m Himalayan Chandra Telescope (HCT) at the Indian Astronomical Observatory (IAO), Saraswati, Digpa-ratsaRi, Hanle at an altitude of 4500 m (15000 ft) above msl is operated by the Indian Institute of Astrophysics (IIA), Bangalore. It is remotely operated using a dedicated satellite communication link from the Centre for […]