There are eight planets in the Solar System – and the Sun, itself, of course, at the centre of the whole thing. plus the Asteroid Belt between Mars and Jupiter. The planets orbit the Sun, with the Earth – you've guessed it! – the third one out from the Sun.
Here you can find out lots of basic information about each planet. Click the picture of the planet below to go to its page. But do you know how to remember the order of the planets outwards from the Sun? The trick is to make up a sentence whose initial letters stand for the names of the planets: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune. So that's M V E M J S U N.
Here are a couple of suggestions that we found on the Internet. But try and make up your own – the sillier the better, because you're more likely to remember it!
Many Very Elderly Men Just Snooze Under Newspapers (thought up by Rebecca Draper)
My Vicious Earthworm Might Just Swallow Us Now (Joel Schwartz)
My Very Easy Method Just Speeds Up Names
My Very Educated Mother Just Served Us Nuts