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Episode 8: Why Is the Sky Blue… and Why Are Sunsets Red?

EPISODE · Dec 27, 2025 · 10 MIN

Episode 8: Why Is the Sky Blue… and Why Are Sunsets Red?

from Vikings and Volcanoes · host Professor H

Why is the sky blue? And why does it glow red, orange, and pink at sunset? In this episode of Vikings and Volcanoes, we break down the science of light and the atmosphere to explain why the sky changes colour throughout the day. Learn how sunlight is made of different colours, how blue light is scattered by air molecules, and why red light travels farther at sunset. Perfect for kids, families, classrooms, and curious minds, this episode uses clear explanations, visual comparisons, and a fun end-of-episode quiz to turn physics into something you can see every day. An educational science podcast for children that makes big ideas simple, memorable, and fun.

What this episode covers

Why is the sky blue - and why do sunsets turn red? In this episode of the Vikings and Volcanoes podcast, we explore light, waves and air molecules, to explain one of nature’s biggest everyday mysteries. Discover how sunlight scatters, why blue fills the sky, and why fiery reds appear at sunset - with simple explanations perfect for curious kids and families.

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Episode 8: Why Is the Sky Blue… and Why Are Sunsets Red?

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Frequently Asked Questions

How long is this episode of Vikings and Volcanoes?

This episode is 10 minutes long.

When was this Vikings and Volcanoes episode published?

This episode was published on December 27, 2025.

What is this episode about?

Why is the sky blue? And why does it glow red, orange, and pink at sunset? In this episode of Vikings and Volcanoes, we break down the science of light and the atmosphere to explain why the sky changes colour throughout the day. Learn how sunlight...

Is there a transcript available for this episode?

Yes, a full transcript is available for this episode. You can read the complete transcript on the episode page.

Can I download this Vikings and Volcanoes episode?

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