光柱

天文·每日一图

爆发中埃特纳火山上空的光柱

A slope of volcano is pictured with red glowing lava running down its side. A dark starry sky is in the background. Up into the sky a red column is visible. Please see the explanation for more detailed information.
一座火山的山坡上,炽热的红色熔岩沿着山体流淌而下。背景是一片黑暗的星空,天空中还可以看到一根红色的光柱。有关更多详细信息,请参阅说明。

天文·每日一图

天空中的于韦斯屈莱市

2024年1月25日 Jyväskylä in the Sky Image Credit & Copyright: Harri Kiiskinen Explanation: You might not immediately recognize this street map of a neighborhood in Jyväskylä, Finland, planet Earth. But that’s probably because the map was projected into the night sky and captured with an allsky

天文·每日一图

挪威上空的极光和光柱

2022年2月8日 Aurora and Light Pillars over Norway Image Credit & Copyright: Alexandre Correia Explanation: Which half of this sky is your favorite? On the left, the night sky is lit up by particles expelled from the Sun that later collided with Earth’s upper atmosphere — creating bright auro

天文·每日一图

埃特纳火山上空的光柱

2021年11月15日 Light Pillar over Volcanic Etna Image Credit & Copyright: Giancarlo Tinè Explanation: What happening above that volcano? Something very unusual — a volcanic light pillar. More typically, light pillars are caused by sunlight and so appear as a bright column that extends upward

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