A starry-eyed, intergalactic name, far rarer than Stella or Esther. It's attached both to a comic book character and to Princess Astra on "Doctor Who".

Forget the oil. It's one of the twins that make up the constellation Gemini, and a mythological name on the cutting-edge of fashion; used by Metallica's James Hetfield.

Alya is most familiar in the US in its much-more-complicated form Aaliyah, the spelling used by the later singer. The traditional name of the star system Theta Serpentis, Alya is also an established Muslim first name and a Turkish place-name. It may also be a Russian short form for Alexandra or any other Al- name.

A star in the constellation Triangulum Australe, also the name of a publishing imprint and an assisted living corporation, probably because it has that streamlined corporate I-could-be-a-car-name feel. Atria is the plural of the more familiar term for an entry hall or foyer, atrium.

Castor's twin in the constellation Gemini. That final x makes this name modern and cool.

A star system in Sagittarius, so one of the most appropriate names for December babies.