Optics

Light scattering in the Earth’s atmosphere part 2 – why is the sky blue and how the sky colour change?

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Light scattering in the atmosphere

When we ask ourselves why the sky is blue we can think about the most important type of light scattering in the Earth’s atmosphere. This is Rayleigh scattering. I was writing about this type of light scattering on some occasions, like watching the solar eclipse through the webcams or wondering about the Martian sky. Today … Read more

Light scattering in the Earth’s atmosphere part 1 – scattering and related phenomena

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Light diffraction on clouds

1. INTRODUCTION My deep interest in the light scattering in Earth’s atmosphere arose out of my observations of the behavior of the Earth’s atmosphere, especially around sunrise, sunset (golden hour, blue hour, twilight), and during eclipses. I like to observe the weather phenomena and atmosphere response to environmental phenomena both live and remotely. Due to … Read more