How would you build the idea the sky relation ?

the sky relation is mentioned 1 times in The Colors Of Space . Here are some examples of Instructions, 3D Models and prior art. What sort of materials would you use to create this idea?

Bart pointed. "Aldebaran—that's the big red one there," he said. "Think of the constellation Taurus as a necklace, with Aldebaran hanging from it like a locket. Antares is much further down in the sky, in relation to the arbitrary sidereal axis, and it's a deeper red. Like a burning coal, while Aldebaran is like a ruby—"
Bart pointed. "Aldebaran—that's the big red one there," he said. "Think of the constellation Taurus as a necklace, with Aldebaran hanging from it like a locket. Antares is much further down in the sky, in relation to the arbitrary sidereal axis, and it's a deeper red. Like a burning coal, while Aldebaran is like a ruby—"