light is electromagnetic radiation which is part of the electromagnetic spectrum which we call visible light. there are many types of light winch are all waves the difference between them is the length the reason we use radio waves is because they have a very long wave length and its easy for it to go though objects on the the other hand its very hard for light to go through objects because its wave length is much shorter. Light has its spectrum of visible light which consist of red,orange,yellow,green,blue,indigo, and violet. and the difference between them is their wave length and how much radiation they output radio waves put out the least amount of radiation then its micro waves then infrared then visible then ultraviolet then soft x-ray then hard x-ray and finally gamma rays which are the most lethal waves we have found so far and gamma rays come from solar flares,pulsars,novas,and,supernovas. Solar flares are eruptions that happen on the suns surface and pulsar is thought to be a rapidly rotating neutron star that emits pulses of radio waves and other waves along the electromagnetic spectrum. That is what i think light is.
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