polar orbit

基本解釋

Since its launch Dec. 14, 2009, the Wide-Field Infrared Survey Explorer has been circling the Earth in a polar orbit and snapping images every 11 seconds.
自2009年12月14日發(fā)射升空以來(lái)，廣角紅外線探測(cè)望遠(yuǎn)鏡開(kāi)始環(huán)繞繞地球極地軌道并每11秒抓拍一張照片。
TerraSAR-X is an Earth-observation satellite that travels around the planet in a polar orbit, and records X-band radar data about the planet using its active antenna.
TerraSAR-X是一顆地球觀測(cè)衛(wèi)星，環(huán)繞地球極地軌道飛行同時(shí)使用自身的有源天線記錄X波段的雷達(dá)數(shù)據(jù)。
Upon arrival on July 4, 2016, Juno will slingshot itself into an unprecedented polar orbit that will bring it to within 3, 100 miles of the planet’s massive cloud tops.
“朱諾”號(hào)探測(cè)器將于2016年7月4日到達(dá)木星。屆時(shí)，它會(huì)自動(dòng)彈射到新的極地軌道上，從而進(jìn)入跨度達(dá)3100英里的大規(guī)模云層帶。

It is in a so-called polar orbit: each turn around Mars takes it over the north and south poles while the planet revolves beneath it.
ECONOMIST: A drought on Mars