| json_metadata | "{"app":"Musing","appTags":["Science","kids"],"appCategory":"Science","appTitle":"Why is the sky blue?","appBody":"<p>Each wavelength of light corresponds to a different colour hue. Sunlight is the visible spectrum of the wavelengths of solar radiation. It looks whitish, or actually very slightly yellow, because it's made up of all colours. The sky is blue because different wavelengths of light scatter differently when they collide with the molecules in the atmosphere. Blue light scatters the most which is why you see it coming from everywhere as opposed to the other colours, the apparent source of which is only the Sun because of their direct path from the sun to your eyes. </p>\n<p>It's different at dawn or dusk, however, because of the low position of the Sun. Then all light from the Sun travels a longer distance in the atmosphere which is why the light in other frequency bands (colours) have time to scatter visibly as well. As a result the sky looks more yellow, orange or red.</p>","appDepth":2,"appParentPermlink":"p3lsrztu5","appParentAuthor":"farmergreen","musingAppId":"aU2p3C3a8N","musingAppVersion":"1.1","musingPostType":"answer"}" |
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