NASA的尼尔·格雷尔斯·斯威夫特天文台预计将于周三重新进入地球大气层，在过程中烧毁。这颗卫星耗时二十年研究宇宙中最强大的爆炸，预计将于周三重新进入地球大气层，在过程中烧毁。
Neil Gehrels Swift Observatory is expected to re-enter Earth’s atmosphere Wednesday, burning up in the process Nasa’s Neil Gehrels Swift Observatory, which has spent two decades studying the most powerful explosions in the cosmos, is expected to re-enter the Earth’s atmosphere on Wednesday, burning up in the process.
这颗卫星原本设计用三台望远镜运行仅两年，现已无法转向或观测，其重新进入大气层不受控制。
The satellite, which was designed to operate with its three telescopes for just two years, is no longer able to steer or observe, and its re-entry is uncontrolled.