2019 October 27

Ghost Aurora over Canada
Image Credit & Copyright:
Yuichi Takasaka, TWAN

Explanation: What does this aurora look like to you? While braving the cold to watch the skies above northern Canada early one morning in 2013, a most unusual aurora appeared. The aurora definitely appeared to be shaped like something , but what? Two ghostly possibilities recorded by the astrophotographer were “witch” and “goddess of dawn”, but please feel free to suggest your own Halloween-enhanced impressions. Regardless of fantastical pareidolic interpretations, the pictured aurora had a typical green color and was surely caused by the scientifically commonplace action of high energy particles from space interacting with oxygen in Earth’s upper atmosphere. In the image foreground, at the bottom, is a frozen Alexandra Falls, while evergreen trees cross the middle.

Yuichi Takasaka, TWAN

说明: 你认为这片极光像什么? 2013年某天清晨,在加拿北部冒着酷寒观赏星空之时,天空出现了一个极不寻常的极光。这片极光的形状看起来像极什么…然而,到底是什么?这位天文摄影者拍到的幽灵光影形似女巫或黎明女神,不过请你尽量提出因万圣节而起的联想。不论空想性错视的诠释为何,这片极光带着常见的泛绿色泽,而且很确定是来自太空的高能粒子和地球大气层的交互作用所引起的。在影像下端的前景,有冻结的亚历山德拉瀑布,而中央则有大片的常青

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