Question

when does the red moon appear ??? ​

Answer 1

Answer:

It is one of eight tetrads to take place during the 21st century AD. As with most lunar eclipses, the moon appeared red during the April 15, 2014, eclipse. The red color is caused by Rayleigh scattering of sunlight through the Earth's atmosphere, the same effect that causes sunsets to appear red.

Answer 2

red moon appears when it goes under its eclipse at that time the the shadow forming appears to be red