upper atmosphere research satellite

基本解釋

The 20-year-old Upper Atmosphere Research Satellite will be the biggest NASA spacecraft to fall uncontrolled from the sky in 32 years.
"服役"20年的高層大氣研究衛(wèi)星將是NASA近32年來最大的失控航天器。
Much of the speculation focused on unconfirmed reports and even video of debris from the Upper Atmosphere Research Satellite over Alberta, Canada.
猜測多聚焦于未證實的報導(dǎo)，甚至它的碎片視頻，視頻是被加拿大亞伯特達(dá)省上空的上層大氣研究衛(wèi)星拍攝到的。
No one can say in advance exactly where the remains of the Upper Atmosphere Research Satellite (UARS) will hit, but history and intensive calculations show that the risk to humans is extremely low.
但沒有人可以確認(rèn)這顆高層大氣研究衛(wèi)星（UARS）到底會墜毀在哪里。