There was a nod to the original star wars deathstar and star trek episode ‘for the world is hollow and I have seen the sky’.
In a vacuum it is always easier and more structurally sound to create spherical shapes.
I have been looking for the re-analysis of the hollow moon theory after the object hit it a few days ago, but have seen nada
I like the hollow moon theory that it was constructed and towed in place. I enjoy John Lear’s stuff of moon, Mars and aliens.