The Solar System

Discover all you need to know about the planets, comets and asteroids that orbit the Sun and make up our Solar System. Read the varying theories about the origins of the Solar System and find out how you can become an amateur astronomer and view it with your own eyes.

With a telescope we can see billons of miles and travel effortlessly back billions of years in time.

Sunspots are cooler parts of the Sun’s surface caused by massive changes in the Sun’s magnetic field.

What can you see through binoculars or a small telescope of the Solar System?

Temperature swings of over 500°C in a single day? Beyond Earth, the weather forecast is mostly terrifying.

It is a star, is it a planet or is it a plane? A handy guide to identifying that bright object you saw last night.

The orbits, atmospheres and compositions of the terrestrial, gaseous and dwarf planets in the Solar System.

Stars are born, become middle aged and eventually die (usually in a spectacular fashion). In the process, they make almost everything in the Universe.

The Sun’s diameter is 100 times that of Earth’s but its mass is 300,000 times greater and it is 15,000,000°C at its core.

What can explain high tide at London Bridge as well as Nova explosions from white dwarfs?