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

Best known as one of the moons of Jupiter, Callisto was a nymph coveted by Zeus who was turned into a bear by Hera, becoming the Great Bear (Ursa Major) constellation.

Capella, the eleventh brightest star in the sky, carries much mythological and astrological significance. In Roman mythology, Capella represented the goat that suckled Jupiter, whose horn became the Cornucopia or horn of plenty. In Hindu mythology, Capella is called the heart of Brahma, while English legend calls it the shepherd's star.

Cassiopeia, the name of a mythological mother who became a stellar constellation, is challenging but intriguing, and has all those softening Cass nicknames available. And with all names Cass-related trending, Cassiopeia may be an unusual route to a stylish name.

Soaring astral name has a great gender-free feel. It also has a pleasing christmas connotation, courtesy of the reindeer listed in Rudolph the Red-Nosed Reindeer

Desdemona is as Shakespearean as a name can be, but because the beautiful and innocent wife of Othello came to such a tragic end, her name has been avoided for centuries. But at this point in time, there might be some adventurous parents willing to overlook that.

Though the plays by Sophocles and Eugene O'Neill and via the "Electra Complex" proposed by psychoanalyst Carl Jung, this name has, unfortunately, become associated with incest and murder.

A dramatic nature-inspired possibility for either sex.

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.

A tad spacy.

Astrological sign with enough rhythm to make a plausible astral name.

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.

Io may be one of the slightest names in the book, but there aren't many two-letter names with as much substance as this Greek mythological example. Io, a name used for the largest moon of Jupiter, was in classic myth raped by Zeus and escaped from him by changing herself into a cow.

Juno is an ancient name that feels as fresh as if it had been minted, well, not yesterday, but in 2007. Since the release of the popular indie film Juno, this lively but strong Roman goddess name has held new potential as a baby name. Currently in the UK Top 500 and used in The Netherlands too, Juno is on the rise in the US - and is 15 times more popular than it was before the release of the film.