Sri Lanka, July 12 -- The celebrated English poet William Blake wrote:The moon, like a flower,In heaven's high bowerWith silent delightSits and smiles on the night.

Such poets, lovers and anglers know that there is something about the moon. They think something happens when the moon is full. A recent book claims that the moon determines much of our mental weather. However, others argue that we all have ups and downs in life and the cause does not lie in the moon or any other star.

Without getting emotional, let us look at the moon scientifically. If you look straight up into the sky, the distance you can see is immense. The moon is about 239,000 miles away and the stars are millions of miles distant. The moon shines the light it reflect...