Start with the right workspace
Open your preferred coding assistant or 3D tool. Use the model shown on the example as a starting point, and check any linked project for setup instructions.
GPT-6 AstraReference brief
Galaxy from real orbital physics
The author presents this one-sentence GPT-6 Astra prompt as their input for a deterministic galaxy simulation and a 30-second flight through it. It requests real orbital physics and 320,000 stars.
About this example
A starting brief based on the creator's public project, not a verbatim original prompt. Your result will vary.
galaxyorbital physicsstar simulation320,000 starsflight throughspacerenderer3D simulation
The prompt
a galaxy from real orbital physics, 320,000 stars, one flight through it, 30 seconds
How to use this prompt
Choose one thing to change
Swap the subject, art style or setting. Keep the camera and interaction clear. Build a small version first, then refine one detail at a time.
Give the scene its own assets
For a custom character or prop, create a 3D model from a short object description or reference image, then bring it into your project.
Previews belong to their respective creators. Check the original source and project license before reusing code or assets.
