space, universe, galaxy, night sky theme abstract painted layered blurry pattern dark background grunge effect grainy rough

space universe galaxy night sky dark abstract painted pattern background wall art paint artistic artwork bright colorful multicolor brush strokes blobs drops blots spots smudges desktop laptop screensaver network texture wallpaper transparent blot spot smudge blur blurry blurs textured canvas backdrop design chaotic mixed irregular layered surface grunge grungy effect dots grain grainy