The name of a star in the constellation of Leo, Zosma is an intriguing, celestial choice that could make an unexpected middle name option, especially for babies born under the lion sign. Meaning "belt" or "girdle" in Greek, Zosma (the star) is located at the hip of the of the constellation.

This name of the queen of the fairies in A Midsummer Night's Dream has a delicate, lacy charm similar to Tatiana's, but that first syllable could cause embarrassing problems.

Hydra is the largest of the 88 constellations, whose name was inspired by Hydra of Lerna, a serpentine, multi-headed monster of Greek mythology who resided in Lake Lerna.

Created by English poet Alexander Pope for a melancholy sprite in the 1712 poem The Rape of the Lock. He likely took the Latin word umbra "shadow". A moon of Uranus is named after the character.

Cygnus is a northern constellation of the Milky Way, derived from the Latin word for "swan".

A beyond-bold shooting-star name choice, sure to raise some relatives' eyebrows.

This name of a triple star system in Virgo has a New Agey astral feel.

Theta is the name of the eighth letter of the ancient Greek alphabet, which is also the symbol of death. As such, it has rarely been used as a baby name.

Omega is an unusual name used now equally for boys and girls, though the a ending is conventionally feminine. More popular boys' names, like Omega, end in the a sound these days: Joshua, Noah, Micah.

A Titan and mother of Athena in Greek mythology.

The continent of Europe gets its name from Europa, queen of Crete and lover of Zeus. It is also, notably, the name of one of Jupiter's moons.

Will assure your daughter she's numero uno.

Of all the astrological names —think Leo, Aries, Gemini— Scorpio probably has the most dramatically potent presence, which could prove something of a burden to a young boy.

Omega is a perfect choice for a youngest child.

If you can't have an Alpha male, how about a Beta girl.

An intriguing Arabic unisex name with a celestial meaning.

A tad spacy.

Spelt Xanthos in Greek, this alternate name for Apollo has a noble sound (pronounced ZHAN-thus) and can always be shortened to Xan.

Could be the next Nova, now that celestial baby names are in the ascendent.