When you first learned about the Solar System, you probably saw diagrams that made it look orderly, with planets arranged in ...

The Sun is the largest object in the Solar System. The Sun’s huge gravitational field keeps many other objects - planets, dwarf planets, asteroids and comets - in orbit around it. The Sun and ...

The Sun is the largest object in the Solar System. The Sun’s huge gravitational field keeps many other objects – planets, dwarf planets, asteroids and comets – in orbit around it.

Scientists now think that a mysterious object massive enough to have gravitational interactions with the Solar System’s disk ...