Seeing the rainbow is a very beautiful sight. 7 colors that look rainbow make it very beautiful. Most of the rainbow is visible to us after rain. When the rays of the sun fall on the drops of rain, the sunlight gets divided into seven colors, due to which we see the rainbow.

There are some interesting fun facts about Rainbow:

1. Rene Descartes was the first person who discovered in 1637 that rainbows are formed when sunlight is reflected by rain drops.

2. The rainbow created by moonlight is called Moonbow and the fog rainbow is called Fogbow. This kind of rainbow is extremely rare.

3. Rainbow is made up of seven colors: red, orange, yellow, green, blue, indigo and violet. There is also an easy way to remember these colors: "ROYGBIV" or "ROY G BIV".

4. The rainbow is actually completely round, but we see only half of it from the ground, so you can see a full round rainbow from an airplane.

5. Sometimes two, three or four rainbows are also seen together when the sunlight hits more than once inside the raindrops.

6. Most rainbows on Earth appear in the US state of Hawaii. Due to which it is also called "The Rainbow State".

7. When the sun is at high altitude we will see rainbow below and when sun is down we will see rainbow at high altitude.

8. Rainbow is also possible on Saturn's moon Titan. A rainbow is formed on Titan when the sunlight reflects with drops of liquid methane. The angle of rainbow on Titan is about 49 degrees instead of 42 degrees.

9. Purple and orange were added to the colors of the rainbow by Isaac Newton in 1666, or else only 5 colors were considered in the rainbow before. However, in China, only five colors are considered in a rainbow.

10. The longest time visible rainbow was seen on 14 March 1994 in the city of Sheffield, England. It appeared from 9 am to 3 pm.

11. The word 'rainbow' is derived from the word 'Arcus Pluvius' in Latin, which means "rainy arc".

12. South Africa is also known as "Rainbow Nation".

13. If two rainbows are formed simultaneously, the color of the second rainbow will be exactly opposite to that of the primary rainbow.

14. No two humans can see the same rainbow. Because, if the person standing next to you is standing in a different place than you, then the rainbow will also look different. Although both of you may feel that you are seeing the same rainbow but in reality you are both seeing different rainbows. Each drop of rain makes its own rainbow so that person will see the rainbow where he stands.