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2025年3月17日 · Blue light is scattered in all directions by the tiny molecules of air in Earth's atmosphere. Blue is scattered more than other colors because it travels as shorter, smaller waves. This is why we see a blue sky most of the time. Closer to the horizon, the sky fades to a lighter blue or white.

2025年1月25日 · In short, the sky looks blue because the blue portion of sunlight is much more likely to bounce off the molecules in the atmosphere than the other colors of light. Now, picture the nitrogen and oxygen molecules as tennis balls and the light as heaps of marbles.

2023年11月4日 · All of Earth's diversity is blanketed under a blue sky. But why is the sky blue? It's not a reflection of Earth's oceans. The real explanation requires a bit of particle physics. We see...

2023年9月8日 · Let's take why the sky appears blue out of the equation for a moment and begin by looking at color. From a physics standpoint, color refers to the wavelengths of visible light leaving an object and striking a sensor, such as a human eye.

Diffuse sky radiation is solar radiation reaching the Earth 's surface after having been scattered from the direct solar beam by molecules or particulates in the atmosphere. It is also called sky radiation, the determinative process for changing the colors of the sky.

2025年2月20日 · Why Is the Sky Blue? The Short Answer: Gases and particles in Earth's atmosphere scatter sunlight in all directions. Blue light is scattered more than other colors because it travels as shorter, smaller waves. This is why we see a blue sky most of the time. Click above to watch this video about why the sky is blue!

4 天之前 · A mysterious glowing spiral was spotted in the skies over several European countries, following a SpaceX rocket launch. According to the UK National Meteorological Service, the spiral was likely ...

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2020年2月28日 · 英语里面，对于这种“出乎意料”的情况，我们可以用out of the blue （clear sky）来表示。 1.out of the blue （clear sky） 出乎意料，突然. out of the blue（clear sky），可以看到，这里后面the blue其实主要是指天空，整个单词我们可以理解为就像“从天空掉下来”，情况非常“突然，出乎人意料”。 She seemed so surprised by the news that it must have come out of a clear blue sky. 由于这出乎人意料的消息，她看起来非常惊讶。 上面讲了out of the blue （clear …