A vibrant rose blooming from the fractured visor of an astronaut's helmet, floating amidst the vast expanse of space; surrounded by swirling galaxies and colorful nebulas. This photorealistic scene, captured in stunning 8k resolution, showcases intricate details with volumetric lighting casting ethereal glows. The cosmic backdrop, rendered in HDR, highlights the contrast between the delicate flower and the infinite universe. The aspect ratio is 9:16, emphasizing the vertical expanse of the celestial landscape.