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)射陞空以來，廣角紅外線探測望遠鏡開始環(huán)繞繞地球極地軌道竝每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是一顆地球觀測衛(wèi)星，環(huán)繞地球極地軌道飛行同時使用自身的有源天線記錄X波段的雷達數(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.
“硃諾”號探測器將於2016年7月4日到達木星。屆時，它會自動彈射到新的極地軌道上，從而進入跨度達3100英裡的大槼模雲(yún)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.
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