So this is a strange post for you all. Back there in the 1800s there were science philosophers. I was struck by this passage written at the time about "A Trip to the Moon." Based in science but with a eye towards imagination and poetry. So imagine you have a telescope and a little science and want to expand people's ideas of what might be possible.
The whole book (because it is out of copyright) is online here:
So poetic but watch how he tries to bring you to the surface of the moon.
The most popular theory of where craters came from at the time was volcanic actions