1 Anaphylaxis is the most severe allergic reaction and is potentially life threatening. 2  Anaphylaxis is rare. The vast majority of people will never have an anaphylactic reaction.  Common triggers of an anaphylactic reaction include drugs, such as penicillin, insect stings, foods (peanuts, shellfish), X-ray dye, and latex.
A rainbow has depth to it, all along the radius refraction angle of 45 degrees. A halo around the moon on vaporous clouds has red and magenta on the outside, the yellow is minor, green and cyan are the inside colors. The lighter area is to the inside. A moon bow is magenta, white, green, and rare.
The droplets are round and it is the way that the sunâs rays hit the droplets that causes the colours of the light to spread out in an arc. What makes the colours in the rainbow? Sunlight always looks white but in fact, is made up of seven colours-red, orange, yellow, green, blue, indigo and violet.The rainbow is a whole band of colours and goes even beyond the colours that the eye can see.unlight always looks white but in fact, is made up of seven colours-red, orange, yellow, green, blue, indigo and violet. The rainbow is a whole band of colours and goes even beyond the colours that the eye can see.