Listen to some space music, both modern 'ambient' and classical.
e.g. https://www.youtube.com/watch?v=JWpinVv5R1I
and Gustav Holst's Planet Suite https://www.youtube.com/watch?v=Isic2Z2e2xs
Using either percussion instruments, or home made shakers, tappers or scrapers see if you can join in, finding the rhythm of the piece and shake, tap or scrape along to the music.
Can you make up some space music of your own?
You could sing along to some space songs: