If you've ever seen (or eaten) space food, you'll know that most of it is pretty unappetizing. But as this list compiled by A&D proves, there's more to space food than freeze-dried packets of powdered ice-cream and weird tubes of semi liquids.
Decorate your cake with high contrast, saturated colors using the "pulled dot" technique. Pipe vertical rows of dots and using a spatula, "pull" your dots. The simple pulled dot gets an updated edge when you switch colors as you pipe.