How Being Wobbly Gives Earth and Possibly Other Planets Their Seasons
The following essay is reprinted with permission from The Conversation, an online publication covering the latest research.Spring, summer, fall and winter – the seasons on Earth change every few months, around the same time every year. It’s easy to take this cycle for granted here on Earth, but not every planet has a regular change in seasons. So why does Earth have regular seasons when other planets don’t?I’m an astrophysicist who studies the movement of planets and the causes of seasons. Throughout my research, I’ve…