In the early centuries of astronomy, however, our visions of the cosmos often took the shape of diagrams—representing what we believed about our solar system. What’s remarkable about Claudius ...

But it is the diagram that he draws at the beginning of the book that captures in a simple image his revolutionary new idea: it is the Sun that is at the centre of the Solar System, not the Earth.

This diagram shows the orbital distribution of extrasolar ... March 23 in Proceedings of the National Academy of Sciences. The findings help explain why our solar system is so different from the ...