Jenny Chang for BuzzFeed Life 1. Set the tone with space-y invitations. OnlyByInvite / Etsy / Via etsy.com Get them here. 2. Get married under the moon with the help of a projector. Sweetwater Portraits / Via sweetwaterportraits.com Or, better yet, tie the knot in a planetarium. 3. Guide guests to their seats with a constellation seating chart. Max Wanger / Max & Friends / Via greenweddingshoes.com As long as you can draw a few dots and lines, this would be insanely easy to DIY. 4. And table numbers to match. http://www.levkuperman.com/2013/09/rhode-island-wedding-photographer-squantum-association/ http://www.levkuperman.com/2013/09/rhode-island-wedding-photographer-squantum-association/ 5. Planets make perfect centerpieces. Nony Dutton / Via offbeatbride.com Nony Dutton / Via offbeatbride.com All you need is a ball and some paint to make them yourself. (Moons optional, but aren't they so pretty?) 6. A giant crescent moon is a stunning photo backdrop. Kelly Kollar Photography / kellykollar.com / Via ruffledblog.com All you need are a piece of plywood and some spray paint. 7. Hang place cards in front of a vintage star map. Lev Kuperman / Via levkuperman.com 8. Dress your hair in stars. https://www.etsy.com/listing/210390061/star-wedding-tiara-gold-crystal-bridal?ga_order=most_relevant&ga_search_type=all&ga_view_type=gallery&ga_search_query=stars%20wedding&ref=sr_gallery_10 https://www.etsy.com/listing/120928450/bridal-flower-halobridal-boho?ga_order=most_relevant&ga_search_type=all&ga_view_type=gallery&ga_search_query=stars%20wedding&ref=sr_gallery_40 Available here and here. 9. Serve a gorgeous galaxy cake. Richelle Dante Photography / Facebook: richelledantephotography / Via popsugar.com 10. Or this lunar one. Florence Fox / florencefox.com / Via boho-weddings.com 11. Name the tables after your favorite spaceships. Leo Druker Photography / leodruker.com / Via capitolromance.com 12. Blanket the ceiling in starlight. Preston Bailey and John Labbe / Via huffingtonpost.com 13. Hang a banner with all the phases of the moon. BigKidBanner / Etsy / Via etsy.com Buy this one here. 14. Or DIY this star garland. Meg Ruth Photo / megruth.com / Via greenweddingshoes.com http://greenweddingshoes.com/diy-star-garlands/ http://greenweddingshoes.com/diy-star-garlands/ Here's how. 15. Adorn your cake with a topper you'll keep forever. BetterOffWed / Etsy / Via etsy.com Buy it here. 16. Or go the DIY route with these stellar toppers. Rachel/Cortnee / The Chic Site / Via thechicsite.com Super cheap and easy to make. Seriously. Tutorial here. 17. Zodiac constellation earrings make a perfect bridesmaid gift that everyone can wear during the wedding. arajera / Etsy / Via etsy.com These ones are available here. 18. Dress up your groomsmen in cosmic bow ties. ALittleGeeky / Etsy / Via etsy.com Available here. 19. Choose a meteorite wedding band. SkyGemstone / Etsy / Via etsy.com Get it here. 20. Or one that's covered in planets. Twinklebird / Etsy / Via etsy.com Available here. Also in silver. 21. And send guests home with some astronaut ice cream. Amy McMullen / amymcmullen.com / Via offbeatbride.com AKA best favor ever.