One of the independent groups of stars in the universe

An extremely large, round mass of rock and metal, such as Earth, or of gas, such as Jupiter, that moves in a circular path around the sun or another star

A vehicle in which people can travel round the Earth, outside its atmosphere, doing scientific tests

The whole of space and everything in it, including the Earth, the planets and the stars

A collection of information

The place above and around our planet where there is no air to breathe or light

To look somewhere carefully in order to find something

To share information with others by speaking, writing, moving your body, or using other signals

A large-shaped object that moves very fast by forcing out burning gases, used for space travel

Life-form, or being from another planet

A vehicle used for travel in space

A person who has been trained for travelling in space

To discuss something, especially formally, before making a decision or finding a solution

The sun and the group of planets that move around it

A cloud of ice, rock, and gas that orbits the sun

To go around

Travelling from one place to another