geocentrism
Readers who've been following this blog a while would probably not be surprised to learn that one of my all time favorite movies is Ghostbusters. In fact, it's hard to believe that the movie is now 30 years old. It makes me feel so old, given that I saw the movie in the theater when it came out. Be that as it may, there's a scene near the end of the movie, where an ancient god Gozer the Gozarian, takes the form of a giant Stay Puft Marshmallow Man, tromping through New York City destroying things, all thanks to a stray thought by Ghostbuster Ray Stantz (played by Dan Ackroyd) that inspired…
"Nature is relentless and unchangeable, and it is indifferent as to whether its hidden reasons and actions are understandable to man or not." -Galileo Galilei
All of science is rooted in the idea that natural phenomena can be explained naturally, and that if we want to know how anything in the Universe works, all we need to do is ask the Universe the right questions, and the answers will appear.
So what about the question of the night sky, and why it appears to rotate the way it does?
Image credit: Peter Michaud (Gemini Observatory), AURA, NSF.
There are two straightforward explanations for…