They say they saw them. Just like people in the past saw pagan gods. There is most likely a correlation.
“They say they saw them.”
UFOs have appeared in literature for 3,000 years. There are millions of photos, videos. I saw them when I was a little kid when I had never heard of them.
“Just like people in the past saw pagan gods.”
You will have to give me a clue about that. There are still pagan gods erected in all parts of the world.
As for ghost, Jesus gave the characteristics of a ghost to doubting Thomas.