Create a full right leg tattoo design with a captivating space theme. The design should feature a prominent black hole as the central element, surrounded by swirling galaxies, stars, and nebulae. Include detailed depictions of planets and moons in various phases, with comets and meteor showers adding dynamic movement. The tattoo should have a balance of intricate patterns and bold contrasts, using deep blacks and shades of grey to create a mesmerizing and immersive cosmic scene. Make sure the design flows seamlessly from the thigh down to the ankle, incorporating the natural contours of the leg. tattoo idea