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树荫里的日食

2023年10月15日 An Eclipse Tree Image Credit & Copyright: Shawn Wyre Explanation: Yes, but can your tree do this? If you look closely at the ground in the featured image, you will see many images of yesterday’s solar eclipse — created by a tree. Gaps between tree leaves act like pinhole lenses and each create a small image of the partially eclip...

沙漠上空的日食

2023年10月1日 A Desert Eclipse Image Credit & Copyright: Maxime Daviron Explanation: A good place to see a ring-of-fire eclipse, it seemed, would be from a desert. In a desert, there should be relatively few obscuring clouds and trees. Therefore late December of 2019, a group of photographers traveled to the United Arab Emirates and Rub al-Khali, the large...

红色精灵与绿树

2023年9月18日 The Red Sprite and the Tree Credit & Copyright: Maxime Villaeys Explanation: The sprite and tree could hardly be more different. To start, the red sprite is an unusual form of lightning, while the tree is a common plant. The sprite is far away — high in Earth’s atmosphere, while the tree is nearby — only about a football fie...

彩虹树

2023年3月13日 Rainbow Tree Image Credit & Copyright: Eric Houck Explanation: What lies at the end of a rainbow? Something different for everyone. For the photographer taking this picture, for example, one end of the rainbow ended at a tree. Others nearby, though, would likely see the rainbow end somewhere else. The reason is because a rainbow’s posit...

极光与树

2021年02月28日 The Aurora Tree Image Credit & Copyright: Alyn Wallace Explanation: Yes, but can your tree do this? Pictured is a visual coincidence between the dark branches of a nearby tree and bright glow of a distant aurora. The beauty of the aurora — combined with how it seemed to mimic a tree right nearby — mesmerized the photographer to s...