A massive, round structure floating in the sky above an urban landscape, glowing with bright white light from within and surrounded by clouds at night. Positioned near a futuristic space station, this grand scene conveys a sense of scale and vastness. The architecture of the structure is a blend of white and gold with intricate details reminiscent of retrofuturism and 70s sci-fi fantasy art, featuring hyper-realistic and dreamy elements. The design incorporates influences from various artists such as Michael Whelan, John Berkey, Katsuya Terada, Roger Dean, Alex Grey, Hajime Sorayama, and Frank Frazetta, resulting in a visually striking and captivating concept piece.