cosmic geode cracked open to reveal a miniature ...

A cosmic geode cracked open to reveal a miniature galaxy, with swirling nebulae and distant stars. Tiny, crystalline structures grow like alien flora within its depths. The outer surface is rough and earth-like, contrasting with the vibrant celestial display inside. The style is reminiscent of abstract expressionism, with bold, textured strokes and a focus on vibrant, contrasting colors, evoking a sense of wonder and cosmic power.