I could be way off base with my original assumption, but if light is shined in space it travels straight forward indefinitely (in theory). But if it is shined on something, it illuminates that object then goes away. So what happens to the light particles/energy. I hope this makes sense, I am struggling to find the words for my question.
Just wanted to throw in an edit and say thank you for the responses. It was very informative and I greatly appreciate that!
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When light hits an item it shakes the atoms. The atoms shaking sometimes makes more light (nearly instantly) and you see it as reflected light. Sometimes the atoms shake other atoms or the shakes other parts of the same atom. When that happens the atom doesn’t make more light and the light is absorbed.
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