2021年03月23日

这张火星的照片拍摄于英国的达多五石。请参阅说明。

Mars over Duddo Stone Circle
Image Credit & Copyright:
Ged Kivlehan

Explanation: Why are these large stones here? One the more famous stone circles is the Duddo Five Stones of Northumberland, England. Set in the open near the top of a modest incline, a short hike across empty fields will bring you to unusual human -sized stones that are unlike anything surrounding them. The grooved, pitted, and deeply weathered surfaces of the soft sandstones are consistent with being placed about 4000 years ago — but placed for reasons now unknown. The featured image — a composite of two consecutive images taken from the same location — was captured last October under a starry sky when the Earth was passing near Mars, making the red planet unusually large and bright. Mars remains visible at sunset, although increasingly close to the horizon over the next few months.

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Tomorrow’s picture: lightning up jupiter


达多五石上空的火星
影像提供与版权:
Ged Kivlehan

说明: 这些石块为何出现在这里?位在英格兰诺森伯兰郡的达多五石,是较著名的石阵之一。它座落在开阔的缓坡顶,走一小段穿过空旷草地的小路,就能见到这些大小和凡人相近,形态和周围景观截然不同的直立石块。这些软砂岩的槽沟、凹和高度风化的表面,与它们是建构于4,000年前的说法一致,但建阵的理由目前仍不明。这幅由摄于同一地点的2张照片合成的主题影像,在去年10月底拍摄时,地球正好通过火星附近,故星空中的火星既大又亮。在接下来的数个月里,日落后仍可见到火星,只不过它会越来越接近地平线。 (Duddo Stone Circle 达多五石)

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明日的图片: lightning up jupiter

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