2019 December 28

A Distorted Sunrise Eclipse
Image Credit & Copyright:
Elias Chasiotis

Explanation: Yes, but have you ever seen a sunrise like this? Here, after initial cloudiness, the Sun appeared to rise in two pieces and during partial eclipse, causing the photographer to describe it as the most stunning sunrise of his life. The dark circle near the top of the atmospherically-reddened Sun is the Moon — but so is the dark peak just below it. This is because along the way, the Earth’s atmosphere had an inversion layer of unusually warm air which acted like a gigantic lens and created a second image. For a normal sunrise or sunset, this rare phenomenon of atmospheric optics is known as the Etrucan vase effect. The featured picture was captured two mornings ago from Al Wakrah, Qatar. Some observers in a narrow band of Earth to the east were able to see a full annular solar eclipse — where the Moon appears completely surrounded by the background Sun in a ring of fire. The next solar eclipse, also an annular eclipse, will occur in 2020 June.

扭曲的日出带食
影像提供与版权:
Elias Chasiotis

说明: 你看过这种模样的日出吗?在当该地的乌散开之后,日偏食期间的东升朝阳,看似裂成二半升起,而据摄影者之言,这是他这辈子看过最令人瞠目结舌的日出。 被大气红化的太阳上缘之黝黑缺口是月亮,而下缘的圆突峰也是月亮。造成这种景观的缘由,是视线方向的地球大气恰好有个逆温层,其作用酷似庞大的透镜,造就了第二重影像。对比于通常的日出或日落,这种罕见的大气光学现象称为伊特拉斯坎花瓶效应。这幅主题影像,是在二天前的早晨摄于卡达的艾尔沃克拉。当时位在地球东侧一道狭窄区域内的人们,有幸见到月盘完全镶在日盘里,所形成称为日环食火之环景观。 2020年6月将再次发生日食,而且恰好又是一个日环食事件。

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