Is the moon a reflection of earth?

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Is the moon a reflection of earth?
I’ve been seeing things lately about the moon being a reflection or original picture of our flat earth. The thing is, it shows only a small part as being the world we know, and a much much larger area of land we have never seen. There is speculation that we are living in a controlled environment, like the Truman Show; dome over top, fake stars, etc.. Might make sense with seeing a second sun. Has anyone heard ab this? I went back to find the videos and I can’t find them now. Does the moon show …