By then, our satellite has set and the sky is much darker, but Lyra remains relatively high above the turbulent air near the horizon ... stationary against the background stars of far southeastern ...

the sky is not always blue. And Rayleigh scattering also explains why the sky tends to be reddish when the Sun is close to the horizon – at sunrise and sunset.When the Sun is near the horizon ...

But the daytime sky isn’t the same blue all over. You’re more likely to find the Dulux bright skies colour closer to the horizon where the blue is more washed out or lighter. This is the ...