After it was launched in 1990, the Hubble space telescope, a $1.5 billion orbiting observatory, was found to have a glitch in its giant lens -- rendering Earth's first orbital observatory short-sighted.
After it was launched in 1990, the Hubble space telescope, a $1.5 billion orbiting observatory, was found to have a glitch in its giant lens -- rendering Earth's first orbital observatory short-sighted.
哈勃太空望远镜,一个耗资15亿美元的绕地天文站,于1990年升空后,在它巨大的镜面上出现了微小的故障,使得哈勃--首个环绕地球的天文台变得“近视”。