In Depth explanation of the theories and reasons. Great read. You can always ensure it's the same size by holding your thumb up to the moon in the sky. Low on

In Depth explanation of the theories and reasons. Great read. You can always ensure it's the same size by holding your thumb up to the moon in the sky. Low on the horizon or high in the sky, your thumb will cover the moon in the same space. It really does appear to be an illusion.