Because the rain needs to be 45 degrees from the sun rays.
A rainbow must always be in the opposite direction from you compared to the sun. So if you see a rainbow in the morning, its center would be in a generally westerly direction from you.
If the sun is setting, then the center of the rainbow is to the east of you, and on or slightly below the horizon ... directly opposite the sun.
The sun has to come over your shoulder to see a rainbow because if the sun is next to the rainbow it is near impossible to see. see
No. The center of the rainbow is always directly in front of you, opposite the sun. If you move, the rainbow moves.
A moonbow, I think. It is a lunar rainbow, meaning the light comes from the moon instead of the sun. When looked upon by the human eye they appear to be white.
You only will see a rainbow if you're facing the opposite direction of the sun
A true rainbow will always appear opposite the sun from your position. The arc you see is part of a circle. If you drew a line from the center of the circle to your eye and extended it behind you it would extend to the sun. Each person actually sees his own rainbow.
Rainbows are caused by backscatter. If the sun is out, and it is raining, look in the direction opposite from the sun, and you may see a rainbow.
Rainbows appear sometimes when its raining and some appear after but they should dissapear.A rainbow should appear whenever the sun is behind you in a clear skyAND there are water drops in the air in front of you.
After it rains, and the sun comes out. Iris' symbol is a rainbow so after the rain comes a rainbow.
A rainbow is possible whenever the sun is in a clear patch of sky and at the same time, rain is falling in the opposite direction from you.
This is because the sun reflects light of rain. White light is made of colours.When the sun shines on moisture droplets in the earths atmosphere it then takes the form of a multicolor arc. Rainbows that are caused by the sunlight always appear from the opposite side of the sun. A rainbow is an optical and meteorological phenomenon that causes a spectrum of light to appear.