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.
This happens in the middle band. Red is on the outside of the main rainbow and on the inside of the second rainbow, the second rainbow is separated by 15 degrees actual an would have a darker band between them. The third rainbows color progression is the same as the main rainbow, ad infinitum. White light is reflected in the inside area of a complete circle rainbow, as seen from an airplane or above a valley or in a volcano creator filled with clouds, like Haleakala Creator.