The sky is blue because

Question

BlackTom AI · Accepted Answer

The question presented is: 'The sky is blue because' with no answer options provided, so there are no alternative choices to evaluate.
Nevertheless, we can analyze the typical reasoning behind the correct explanation. The commonly accepted explanation is that molecules in Earth’s atmosphere scatter sunlight via Rayleigh scattering. Shorter wavelengths of visible light (blue and violet, though violet is less visible due to atmospheric absorption and our eyes' sensitivity) scatter more efficiently than longer wavelengths (red, orange, yellow). As a result, the scattered blue light is what we predominantly see when we look up during the day.
If we consider potential misconceptions: one might think the sky is blue because the Sun emits blue light, but the Sun emits across a broad spectrum, and it's the atmosphere's selective scattering that makes blue the dominant color we perceive. Another frequent error is to attribute the color to a single wavelength; in reality, it’s the distribution and interference of scattered wavelengths that yields the blue sky. Some might wonder about violet; even though violet light scatters even more, the sky does not appear violet because the Sun’s spectrum has less violet, the upper atmosphere absorbs more violet, and our eyes are more sensitive to blue.
In this case, the provided statement ("molecules scatter blue light more effectively than red light.") aligns with the Rayleigh scattering explanation, describing the core mechanism that gives the sky its characteristic blue color.

The sky is blue because单项选择题

类似问题

Which of the following explains why the sky is blue?

Sunrises and sunsets are yellow/red in color because...

What process causes the sky (lower tropopause) to appear blue in colour?

The sky is blue because

Why is the sky blue?

Which of the following trees corresponds to a potential parse of the ambiguous sentence below, with correct syntactic categories? Some diagnostics are provided.

Which of the following sentences contain two non-finite verbs? Select all that apply.

更多留学生实用工具

智能学习助手

风格化写作助手

论文查重助手

文献引用助手

课堂转译助手

课堂笔记助手

Quiz搜索助手

学校历年真题

智能刷题助手

智能匹配练习

希望你的学习变得更简单