I prefer
Theia than
Althea.
Theia is a beautiful name and one that I’ve loved for a long time. Here’s a few more that I found online:
Website I used: https://www.google.co.uk/amp/www.momjunction.com/articles/space-themed-baby-names_00396566/%3famp=1
Rhea - was the Greek Titan and the mother of
Zeus. She represents motherhood and fertility. It’s also one of
Saturn's moons.
Gaia was the goddess of Earth and the primordial deities. She was considered the creator of the earth and the universe.
Astraea was the Greek Goddess of justice
Thalia was one of the nine muses. She was the muse of comedy and pastoral poetry.
Thalia was also the name of one of the three Graces.
Ophelia is the name of a tiny moon in
Uranus.
Titania is the name of the largest moon of
Uranus. The name is inspired by the queen of fairies in Shakespeare’s A Midsummer Night’s Dream. You can shorten it to
Tania as well.
Phoebe was the name of the Goddess of the moon and the mother of
Leto in Greek mythology.
Elara, one of the moons of
Jupiter. The moon was named after one of the lovers of
Zeus in the Greek mythology
Cordelia is the name of the inner moon of
Uranus. The moon was named after
Queen Cordelia, the youngest daughter of
King Lear from Shakespeare’s play with the same name. The princess was noted for her undying devotion to her father and unwavering honesty. The moniker is an Anglicization of the Welsh goddess, Creddylad and means ‘jewel of the sea’.
Alya is a name from the Theta Serpentis star system. It was first known by the name of
Alya
Alula is the name of one of the first twin stars discovered. It would make an apt name for a twin girl.