An evocative word name denoting a rare celestial phenomenon when the sun and moon are aligned so that the moon casts a shadow over the Earth (a solar eclipse), or when the moon is right in front of the sun, showing only a ring of light (a lunar eclipse).

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

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 tad spacy.

Vulcan was the Roman god of fire (from which, volcano) and metalworking, but this name is now more familiar as the pointy-eared humanoids on "Star Trek," represented by Mr. Spock.

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.

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.

Among the children named Heaven are the daughters of TV personality Brooke Burke and rap singer Lil' Mo, who also has a daughter named God'iss Love. Some parents have taken to using Nevaeh instead—Heaven spelled backwards.

Appropriate for a girl born between late September and late October, Libra suggests both balance and freedom.

The Zodiac name hasn't caught on like Leo or Aries, though it did appear in the US Top 1000 for five consecutive years back in the '70s.

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.

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.

In Greek mythology, Deimos was the twin brother of Phobos (fear), son of Ares and Aphrodite. A moon of Mars also bears the name.

Celestial and space-age, Halo is a contemporary choice that first appeared in the US stats for boys in 2008. Currently more popular for girls, it is nevertheless on the rise across the board.

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

Omega is a perfect choice for a youngest child.

A Titan and mother of Athena in Greek mythology.

An intriguing Arabic unisex name with a celestial meaning.

Saturn is a celestial feminine name derived directly from the Roman god of agriculture and the name of the sixth planet in our solar system. As a given name, Saturn emerged as part of the modern trend of adopting planetary and cosmic names, which gained momentum in the late 20th and early 21st centuries. The name carries associations with time, wisdom, and boundless possibility through its astronomical connection. While still quite rare as a given name, Saturn appeals to parents seeking names with scientific or mythological significance. The Roman deity Saturn was associated with wealth, abundance, and the golden age, lending the name a sense of prosperity and timelessness. Its distinctive sound and recognizable reference make it a bold, memorable choice.

In Greek mythology, Uranus is Father Sky, god of the heavens and father of the Titans. All admirable, inspirational qualities, and Uranus should even score extra points as a planetary, celestial name. Alas, that still doesn't make the name work in English, thanks to the teasing potential of the sounds.