Copyright:
Alfred Lee
原文:
What’s that in the sky? Earlier this month, in the sky high above Hong Kong, China, not just one unusual type of cloud appeared — but two. In the foreground was a long lenticular cloud, a cloud that forms near mountains from uprising air and might appear to some as an alien spaceship. Higher in the sky, and further in the background, was a colorful iridescent cloud. Iridescent clouds are composed of water droplets of similar size that diffract different colors of sunlight by different amounts. Furthest in the background is the Sun, blocked from direct view by the opaque lenticular, but providing the light for the colors of the iridescent. Either type of cloud is unusual to see in Hong Kong, and unfortunately, after only a few minutes, both were gone.
中文翻譯:
在香港的天空中，前景是長形的透鏡雲（lenticular clouds），這種雲彩常在山區附近形成，因為上升的空氣，使它看起來像外星飛船。更高更遠的背景則出現了五彩繽紛的虹彩雲（iridescent clouds）。虹彩雲由相似大小的水滴組成，透過不同的方式衍射陽光，展現出絢麗的顏色。最遠的背景是太陽，被不透明的透鏡雲阻擋，卻為虹彩雲提供了色彩的光芒。這兩種雲在香港出現都相當罕見，令人驚嘆，但可惜的是，這場景只持續了幾分鐘，隨即消失。
#雲彩奇觀 #香港天空 #透鏡雲 #虹彩雲 #自然之美 #壯觀景象 #短暫美麗
來源:NASA每日圖片
