What if the Moon Didn't Exist is a collection of speculative articles about different versions of Earth, published in book form in 1993. They were originally published in Astronomy magazine.
---
This article is an automated import of the Wikipedia article "What If the Moon Didn't Exist", available at https://en.wikipedia.org/wiki/What_If_the_Moon_Didn't_Exist . Text is licensed under CC BY-SA 4.0.