What If?
What If the Moon Disappeared?
What if the moon disappeared? Tides shrink to the Sun's share and nights go dark at once, while tilt and day length change over millions of years.
What If?
What would happen if Earth stopped spinning? These are thought experiments, not predictions. We state the assumptions up front, run the physics as far as it can honestly go, and mark where the estimates get uncertain.
What If?
What If the Earth Stopped Spinning?
What if the Earth stopped spinning? A sudden stop vs a very slow one: 1,040 mph at the equator, oceans at the poles and a day and night lasting a year.