Question

what is the super blue moon

Answer 1

The particles scatter the red light, making the Moon appear blue. This is known as Mie scattering, and can happen for instance after a dust storm, a forest fire, or a volcanic eruption.

Answer 2

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A supermoon is a moon that is full when it is at its closest point in an elliptical orbit around the Earth and a total lunar eclipse or blood moon in which Earth's shadow upon the lunar eclipse gives it a reddish colour.

When Earth's moon is in full eclipse then a "Blood Moon" occurs. Actually the super blue moon is the combination of blue moon, super moon and total eclipse, all the three are rare events. The striking feature of this Moon is that instead of white colour it becomes red or ruddy-brown. When the moon crosses into the shadow of the Earth it becomes blood red in colour.

Do you know that the term "blue moon" is used when the full moon appears twice in less than 28 days because moon takes approximately 27 days to orbit the earth. Therefore, we can say that blue moon happens on an average every three years.