Four giant telescopes developed under Japan's leadership have been completed on a Spanish island as part of an international effort to explore cosmic mysteries including black holes and dark matter.A ceremony was held Thursday on La Palma in the Canary Islands to mark the completion of the telescopes, each equipped with a 23-meter reflector, ahead of the start of full observations, likely next year.Takaaki Kajita, a distinguished university professor at the University of Tokyo, expressed hope that the telescopes would open a new important window into space.The four telescopes are part of th…READ FULL ARTICLE