Explain why the sun looks red at sunset and sunrise

Why Does the Sky Turn Red at Sunrise and Sunset?

explain why the sun looks red at sunset and sunrise

Sunlight consists of seven colours. Of these, red has the maximum wavelength. During sunrise and sunset, the rays have to travel a larger part.

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The sun emits light waves with a range of frequencies. Some of these frequencies fall within the visible light spectrum and thus are detectable by the human eye. Since sunlight consists of light with the range of visible light frequencies, it appears white. This white light is incident towards Earth and illuminates both our outdoor world and the atmosphere that surrounds our planet. As discussed earlier in Lesson 2 , the interaction of visible light with matter will often result in the absorption of specific frequencies of light.

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An orange or red Sun in the early morning or late evening is a sight to behold. The sky takes on these vivid hues due to a phenomenon called Rayleigh scattering. The brightly colored rising and setting Sun has captured the imaginations of artists, poets, authors, and photographers over the centuries. The sunlight that we see is a type of electromagnetic radiation that is emitted by the Sun. Known as the visible light , it looks white but is composed of colors of different wavelengths, with violet having the shortest wavelength and red having the longest. You can see the different colors when you look through a prism or when a rainbow appears in the sky.

What Determines Sky's Colors At Sunrise And Sunset?

Why does the sun appear red while rising and setting

Blue Skies and Red Sunsets


Hi,Your answer is:During sunrise and sunset, the rays have to travel a Thus, the sun appears red due to least scattering of red light as it has.
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  1. Ryan H. says:

    At time of sun rise or sunset the light has to cross more thick atmosphere. As result nearly . Hence sun appears red during sunset and sunrise.

  2. Randolfo P. says:

  3. Silygarfa says:

    The colors of the sunset result from a phenomenon called scattering, says Steven Ackerman, professor of meteorology at UW-Madison.

  4. Niceas M. says:

    This website uses cookies to deliver some of our products and services as well as for analytics and to provide you a more personalized experience.

  5. Agrican B. says:

    What Determines Sky's Colors At Sunrise And Sunset? -- ScienceDaily

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