Career Information for an Aeronautics or Aviation Degree. Aeronautics or aviation is generally the science of flight, and this field may also include the manufacturing and design of airplanes and helicopters. Continue reading for an overview of the training, as well as career and salary info for some career options for graduates. View 10 Popular Schools Â».
The fundamental process at work in a rainbow is refraction -- the bending of light. Light bends -- or more accurately, changes directions -- when it travels from one medium to another. This happens because light travels at different speeds in different mediums.
Light is not matter. Light is just light --- it has its own qualities. Light is made up of things called photons, and these photons can possess some of the properties of matter. For example, they are always moving, and when they move, they can exert a (usually very small) force on an object (just like moving matter can). But most of the time, light is just light.