4K HD Astronaut Watches Alien Ring Portal Wallpaper

A lone astronaut in a white suit stands on a rocky rise, overlooking shimmering, rainbow-flecked dunes and a frozen lake where a colossal, cracked stone ring hovers, its molten seams casting a pillar of golden light. Jagged, snow-capped peaks and stormy violet clouds fill the horizon, creating a tense yet awe-inspiring extraterrestrial mood.