Seeking truth is sometimes a challenge. Sometimes you have to overturn every rock to find it.
At times the truth is censored. Censorship is not a new trick the elites use to hide the truth. They have been doing it for hundreds of years.
Check out the video below to see how truth has been hidden regarding the firmament.
I have personally confirmed this to be true during my research. I looked in 3-4 different encyclopedias published after 1958 and nothing was said about a dome that is 13,000 feet high.