an astronaut stands on an otherworldly landscape, gazing up at a sky filled with geometric s and vibrant colors

astronaut cosmic landscape geometric surrealism science fiction vibrant colors otherworldly sky exploration outer space imagination fantasy futuristic dreamlike celestial universe travel art night abstract innovative mysterious cosmos digital painting ethereal stars stargazing heroic figure adventure mystery starry scifi artistic fantastical star field imaginative surreal hero vivid scenery generative stands gazing filled shapes blending mauntains