RAW photo, astronaut in a sleek black spacesuit, entering a mysterious portal with a bright light effect, on a desolate alien planet with a dark sky and towering mountains, soft natural lighting, 8k, UHD, highly detailed, film grain, skin texture, analog, intricate details, DSLR, high quality, bokeh, motion blur, Sony A7R IV, FE 16-35mm f/2.8 GM lens, medium-angle shot.