Read all about the eight different planets in the Solar System - Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune - and how they differ. Plus, find out why Pluto was reclassified as a dwarf planet in 2006, and discover fascinating facts about tidal forces.
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.
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 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.
How far can you go? Get all the far-out facts in our infographic. What's the furthest man-made object in space, and what's the longest non-stop flight of a bird?
The planet Mars: perfect if you like freezing dust clouds of tremendous intensity but dislike oxygen and gravity.
The planet Mercury is the smallest and nearest planet to the Sun in the Solar System.
The planet Neptune is the furthest planet from the Sun and is orbited by Triton.
Satellites orbit planets, which orbit the Sun, which in turn orbits the centre of the Milky Way. But why?
What Pluto, Ceres, Haumea, Makemake and Eris, the dwarf planets lack in size they make up for in mystery.