Why Is the Sky Blue on Earth — But Purple on Mars?

Imagine you're in a big room with tiny bouncy balls. When the balls bounce, they spread out and hit the walls, this is like how light travels through the sky. On Earth, the blue light bounces more than other colors, so we see blue skies. But on Mars, there are bigger particles in the air, so it scatters red or purple light instead.

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Examples

  1. Imagine bouncing a small bouncy ball around a room, it goes everywhere. A bigger ball only moves in big chunks.
  2. If you look at the sky while wearing blue-tinted glasses, it looks even more blue, like how we see Earth's sky every day.
  3. On Mars, the sky might look red or purple because of the kind of dust floating around.

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