What's this? Oh noooo… Stella: You should know where all the planets are, they orbit the Sun, which is actually a star. This theory was known as the heliocentric model. It was controversial as ...

Galileo and Kepler came along that our understanding shifted to a heliocentric model with the sun at the centre of things and the Earth, and the other planets, orbiting it. Like that. DALLAS'But ...