Of the three experiments that are used to confirm the big bang theory, which is the most interesting to you and why? use 10 or fewer sentences to explain your position

In this thread, i would like you to comment on the nature of light and how operation of telescopes. light has a duality of a particle and a wave; which one affects your life? also how does light interact with optics inside telescopic systems? answer these questions in two paragraphs. then respond the another students response.