2 Match the descriptions (1–8) to the words (a-h). 1 the group of people who work together on a spaceship 2 this person travels in space 3 the planet where we live 4 the tools people use to do a job 5 you live in space on this 6 a special journey in a spaceship 7 a scientific test 8 you can see this in the sky at night 9 we can't live without this gas​