This is a side note / random observation, but it seems like "An astronaut riding a horse" has become the Lorem ipsum / Lenna / Utah teapot of AI text-to-image generation.
https://www.google.com/search?q=%22An+astronaut+riding+a+hor...
The internet is already flooded with images generated by these common prompts.
It would be fun to have a space agency do a photoshoot of a real astronaut on a real horse ... just to complete the circle :)
There was a phase decades ago about "googlenope" -- defined as a phrase that google has never seen, so it would return zero results if searched with quotes.
Something similar for GenerativeAI may be worth coining?