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.

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


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


What would you see at the furthermost edge of the Solar System as you finally left the Sun behind?


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!

Jupiter with lo and Ganymede © Damian Peach, Astronomy Photographer of the Year Our Solar System and overall winner 2011

The planet Jupiter's more massive than all the other planets in the Solar System put together. It's a stormy mass of raging gas and metallic hydrogen.


The planet Venus: known for love, rotational contrariness, crushing atmospheres, furnace-like temperatures and acid rain.


The planet Mars: perfect if you like freezing dust clouds of tremendous intensity but dislike oxygen and gravity.


How high can you go? Get the low-down on all that's 'high up' in our fact-packed infographic. Who has flown the highest? Could we really build an elevator to space?


The next transit of Mercury will be on 11 November 2019. Find out what the transit of Mercury is and how often it occurs below.

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A supermoon occurs when the Moon is at its closest point along its orbit to the Earth at the same time as a full moon.