There are loads of resources available to inspire you and help you get creative with your Astro Pi entry.
Take a look at the rules for coding your message, or jump right in with the Mission Zero project resource.
Start off with our comprehensive Mission Space Lab Guidelines, or jump in at a later Phase with one of our other resources.
These resources will help you get to introduced to the different equipment you'll be working with for Astro Pi.
Head to the Raspberry Pi Foundation projects website for more computing and digital making inspiration.
Head to the ESA Education Classroom website for more science and space exploration inspiration.