A netizen left a message saying: This is not a natural phenomenon, it is actually a "tadpole cloud", also known as the "rocket cloud". It is a phenomenon that the condensation trail left in the atmosphere after the launch of guide bombs, rockets and other spacecraft after the lau

2025/03/3114:11:35 science 1338

just now! The "phenomenon" photographed by the sky. A netizen left a message saying: This is not a natural phenomenon, it is actually a "tadpole cloud", also known as the "rocket cloud". The professional noun is "twilight phenomenon". It is a phenomenon that the condensation trail left in the atmosphere after the launch of guide bombs, rockets and other spacecraft after the launch, and the fuel burns, is observed on the ground under special light conditions. Not all spacecraft launches will form a "rocket cloud", and its appearance must meet certain conditions. The spacecraft launched about 30 to 60 minutes before sunrise or after sunset, the ground is in the shadow of the earth. For example, at night, due to the earth's curvature, when the rocket is flying at high altitudes, it is during the day. The jet trails are dispersed under the sunlight. At this time, a spectacular picture of the condensation trails changing colorfully with the flow of air can be observed from the ground. Due to seasonal changes, there will be a certain floating before sunrise or 30 to 60 minutes after sunset.

A netizen left a message saying: This is not a natural phenomenon, it is actually a

Photography: Wang Deliang

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"I don't think we're driven out of the Garden of Eden. Look around. We're still in it, especially when you compare the Earth to the Moon." It's hard to disagree with the late Apollo moon lander Alan Bing, but when astronomers look for a habitable world similar to the Earth, is ou

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Recently, researchers from the University of Minnesota School of Medicine published a research paper titled: An aged immuno system drives sensing and ageing of solid organs [2] in the top international academic journal Nature. - DayDayNews

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