1. Use the rule of thirds, placing the astronaut sculpture at one-third of the frame to enhance the balance of the image.
2. If using a camera, you can use a large aperture (small f-number) to blur the background and highlight the sculpture.
Equipment settings: Fuji XT30II, lens 18-55mm.

Beijing Satellite Manufacturing Factory Science and Technology Park - Earth Spaceman Device

Place the astronaut statue at the center of the frame to make it the focal point, with the model standing next to the statue to create an interactive pose. 
Equipment settings: Camera Fujifilm XT30II, Lens 18-55mm.

Beijing Satellite Manufacturing Factory Science and Technology Park - Spaceman Installation