保护地球，探索宇宙，发现文明
2021年05月10日 Lightning and Orion Beyond Uluru Image Credit & Copyright: Park Liu Explanation: What’s happening behind Uluru? A United Nations World Heritage Site, Uluru is an extraordinary 350-meter high mountain in central Australia that rises sharply from nearly flat surroundings. Composed of sandstone, Uluru has slowly formed over the past 300 m...
2021年03月30日 Red Sprite Lightning over the Andes Image Credit & Copyright: Yuri Beletsky (Carnegie Las Campanas Observatory, TWAN) Explanation: What are those red filaments in the sky? They are a rarely seen form of lightning confirmed only about 30 years ago: red sprites. Recent research has shown that following a powerful positive cloud-to-ground light...
2020年9月27日 Lightning over Colorado Image Credit & Copyright: Joe Randall Explanation: Have you ever watched a lightning storm in awe? Join the crowd. Oddly, details about how lightning is produced remains a topic of research. What is known is that updrafts carry light ice crystals into collisions with larger and softer ice balls, causing the smaller cry...
2020年7月27日 Comet and Lightning Beyond Bighorn Mountains Image Credit & Copyright: Kevin Palmer Explanation: Normally, Steamboat Point looks cool — but not this cool. Every day, the iconic peak of the Bighorn Mountains is an interesting sight, in particular from US Highway 14 in Wyoming. On some rare days, the rocky vertical ridges look even more i...
2019 December 4 Electric Night Image Credit & Copyright: Ivan Pedretti Explanation: It may appear, at first, like the Galaxy is producing the lightning, but really it’s the Earth. The featured nighttime landscape was taken from a southern tip of the Italian Island of Sardinia in early June. The foreground rocks and shrubs are near the famous Capo S...
2019 October 8 Sprite Lightning in HD Image Credit & Copyright: Stephane Vetter (TWAN) Explanation: This phenomenon occurs in the sky over our heads, not the sea. It is a type of lightning known as red sprite, and rarely has it ever been photographed in this detail. Even though sprites have been recorded for over 30 years, their root cause remains unknow...
2019 September 18 Gigantic Jet Lightning over India Image Credit & Copyright: Hung-Hsi Chang Explanation: Yes, but can your lightning bolt do this? While flying from Munich to Singapore earlier this month, an industrious passenger took images of a passing lightning storm and caught something unexpected: gigantic jet lightning. The jet was captured on a s...
2019 July 29 Lightning over the Volcano of Water Image Credit & Copyright: Sergio Montúfar (Pinceladas Nocturnas) Explanation: Have you ever watched a lightning storm in awe? Join the crowd. Details of what causes lightning are still being researched, but it is known that inside some clouds, internal updrafts cause collisions between ice and snow that sl...