What is a rainbow?
Q: What is a rainbow?
A: A rainbow is an arc of colour in the sky that can be seen when the sun shines through falling rain. It consists of a spectrum of colours, starting with red on the outside and changing through orange, yellow, green, blue, indigo, and violet on the inside.
Q: How is a rainbow created?
A: A rainbow is created when white light is bent (refracted) while entering a droplet of water, split into separate colours, and reflected back.
Q: Is a rainbow actually round like a circle?
A: Yes, a rainbow is actually round like a circle. On the ground, the bottom part is hidden but in the sky it can be seen as a circle around the point opposite to the Sun.
Q: When do rainbows often appear?
A: Rainbows often appear after storms.
Q: What are rainbows popular symbols for in many cultures?
A: Rainbows are popular symbols for peace in many cultures.
Q: Are there any other types of rainbows besides regular ones?
A: Sometimes a second larger dimmer rainbow may be seen alongside regular ones.
