What if the Moon Didn’t Exist is a collection of speculative articles about different kind of Earths. They were originally published in Astronomy magazine . The scenarios are:
- Solon – Earth without a Moon
- Lunholm – Moon closer to Earth
- Petiel – Earth with less mass
- Urania – Earth’s axis tilted like that of Uranus
- Granstar – More massive sun
- Antar – Effects if a supernova exploded near Earth
- Cerberon – Star passing through the solar system
- Diablo – Black Hole passing through the Earth
- Seeing the world via infrared
- Effects of ozone layer depletion
References
Neil F. Comins: What If the Moon Didn’t Exist. HarperCollins, 1993 ISBN 0-06-016864-1