The solar system — the gravitational system composed of the sun and everything that orbits it — is like our local ...

When most of us learn about the solar system, it seems like a pretty well-ordered place. Our sun formed first, about five billion years ago, and the planets appeared a little later. As a very general ...

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Learn how a magnetic field may have helped shape the Solar System, embedding traces of ancient magnetism within a meteorite from Antarctica. After the Solar System formed around 4.6 billion years ago, ...