If the sky is blue during the day ... When the Sun is low on the horizon, its light must pass through a thicker layer of the atmosphere. This extended journey scatters the shorter blue and ...

It was around 1870 when the British physicist John William Strutt, better known as Lord Rayleigh, first found an explanation for why the sky is blue: Blue light from the Sun is scattered the most when ...

Total lunar eclipse – The entire Moon moves into Earth's shadow and turns red. Partial lunar eclipse – Only part of the Moon ...

It was around 1870 when the British physicist John William Strutt, better known as Lord Rayleigh, first found an explanation for why the sky is blue: blue light from the sun is scattered the most when ...