Why is the sky blue?

What is the main component of Earth's atmosphere?

What was the color of the ancient Earth's daytime sky most likely?

What phenomenon is responsible for Mars' sky being red?

What is responsible for the yellow hue of twilight on Earth?

What type of scattering occurs when light interacts with particles larger than the size of the light's wavelength?

What is the primary reason why Mars' sky is not blue?

Why does the color of the sky change during sunrise or sunset?

Which kind of interaction primarily determines the color of the sky on Earth?

What is the main reason behind the deep, rich shade of blue seen in the twilight sky?