As Beethoven presaged in his great string quartet The Grosse Fuge, the Socratic dialogue of civilizations "must be" in the age of space. Once and forever.
Beethoven Grande Fuga Op.133
Eratosthenes first measured the circumference of the earth from the shadows cast by the sun. Today, humanity's fitness to survive will be measured by our ability to conquer that same thermonuclear fusion that casts those shadows. Thus, Prometheus will truly be unbound.