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1608年,Hans Lippershey发明了望远镜,Galileo将其运用于天文观测中,由此开启了现代天文学的历史.今天的最大光学望远镜口径超过10m,10年之后,将会有多个新一代极大望远镜(ELTs)观测星
In 1608, Hans Lippershey invented the telescope and Galileo used it in astronomical observations, thus opening the door to modern astronomy. Today’s largest optical telescopes have a caliber of more than 10 m. Ten years later, there will be several new generation of great telescopes (ELTs) observation star