Alpha Centaurian n.

Over to the left of the dormant hybrids stood an Alpha Centaurian.

If you have one of these Alpha Centaurians on hand, please send it to him, orange eyes and all.

But then the Alpha Centaurian had shown up. He had drifted in a cosmic derelict who had wandered clear out of his own system.

The information, travelling at c, was received by the Alpha Centaurians about four years later.

There are a dozen other civilizations more advanced than humanity, just in known space…. The Vulcans, Orions, Andorians, the Alpha Centaurians…a few others.