Last updated at 15:46

Joe launches satellite (sort of)

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They help us in almost every part of our everyday lives - but do we ever think about what satelittes do for us?

From what we watch on TV, how we get around and even how we get the food we eat - satellites are invloved.

In the latest episode of Newsround's space week, Joe has been checking out everything you need to know about space's little helpers.

He even has a go at finding out how tricky it is to get them into space - using a caterpolt and some oranges.

Don't believe us? Well check out the video below to find out - and see what a good shot he is!