This image description is for a white astronaut poster with a black frame mockup hung on a white wall. It is a vector image created using Photoshop and is designed to have the dimensions of 18x24 inches with a resolution of 300 pixels per inch. The poster follows a minimalist and monochromatic style, emphasizing clean lines and simplicity. The image features an uplight effect, highlighting the poster, and has been scaled down to a size of 750 pixels. There is no text included in the image.