So O'Donoghue made an animation to demonstrate what's going on. It shows how Earth and the moon will move over the ... barycenter is sometimes inside the sun, sometimes outside of it.

But because Earth is constantly moving along its orbit around the sun, a different point on the planet faces the sun directly at the end of that 360-degree spin ... the below animation to show ...

What if the moon and planets were closer to Earth? That's what Nick Holmes decided to find out. Holmes, AKA "yeti dynamics" on YouTube, animated these 3D models. He is an amateur astronomer and is ...