Astronomy Star Names For Dogs. Sure, there are plenty of darths in the star wars galaxies—including maul, momin, and sidious—but if your dog truly leans towards the dark side, name him after the baddest guy of them all: Leo is a constellation of the zodiac.

We love this name for an older, wiser dog—and bonus points if he has a shaggy, white beard. Vulcan — a hypothetical planet. Bringing a new pet into your life is always an exciting time.