Extremely Large Telescope Westerbork Synthesis Radio Telescope Ooty Radio Telescope NASA Infrared Telescope Facility Very Large Telescope Broad Band X-ray Telescope Vatican Advanced Technology Telescope Fermi Gamma-ray Space Telescope Allen Telescope Array Event Horizon Telescope Hard X-ray Modulation Telescope Teleskop Luar Angkasa James Webb Teleskop Luar Angkasa Hubble Teleskop Ruang Angkasa Spitzer Observatorium W. M. Keck Teleskop luar angkasa Kepler