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.

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?

Find out everything you wanted to know about partial and total solar and lunar eclipses, including when to see them in the UK

The planet Uranus: first of the planets to be found in the modern era and dressed in rings. It orbits the sun on its side and the wrong way round!

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