Contents The Solar System 4 The Sun Fact Files The Sun and Other Stars 6 What Is the Sun Made Of 8 Sunspots and Flares 10 Solar Eclipses 12 Galaxies 14 How Stars Begin 16 Types of Stars 18 How Stars Die 20 Quiz 22 Useful Words 23 Find Out More 23 Index 24
The Solar System The Sun is in the middle of our solar system Eight planets move around it One of them is Earth Saturn FACT FILE Age 4 5 billion years Size about 18 billion miles 30 billion km wide Stars the Sun is the only star in our solar system Neptune Mars The Sun is the biggest object in the solar system
Mini Facts Gravity keeps the planets moving around the Sun Venus Mercury The Sun and Other Stars Jupiter Uranus Earth Sun