noctilucent cloud

基本解釋

The recent observations of noctilucent clouds at all kinds of latitudes provide an extra impetus to understand what is going on up there.
最近在各種緯度進(jìn)行的夜光雲(yún)觀察，提供了了解天上發(fā)生著什麼的特別動(dòng)力。
It is the season for viewing Polar Mesospheric Clouds, and with our high beta-angle we were able to capture this thin layer of noctilucent clouds at sunset (6-25-2010).
到了觀看極地中氣層雲(yún)的時(shí)候，在太空中使用高β角度，我們能捕捉到日落時(shí)刻這層薄薄的夜光雲(yún)。
The sky over Omaha on July 14th, snapped by Mike Hollingshead at Extreme Instability 2. A rendering of the noctilucent clouds created from data obtained by Russel’s NASA project, AIM.
利用拉塞爾NASA項(xiàng)目獲得的數(shù)據(jù)繪制的夜光雲(yún)傚果圖。