@YunanimousArts If you’re just looking for a brush to add in space type stuff, the iForce73’s “Universe Environments". @Michelist has a post where you can download them: iForce73 - Environments 2.0 - Michelist Re-Pack
If you’d like to create something more like this, James Julier has a cool iPad tutorial that I found helpful, even using Krita:
