Annie Laurie FitzSimons, age 17, of Arcadia, Fla., for her question:

WHO WAS ANDROMEDA?

Andromeda is a maiden in ancient Greek mythology. She was the daughter of Cassiopeia and Cepheus, rulers of Ethiopia.

An oracle said that Andromeda should be sacrificed to the serpent to save the land. Perseus saw Andromeda chained to a rock, fell in love with her, and killed the monster.

After her death, Andromeda become a constellation.

Perseus was the son of Zeus and Danae. He is famous for having cut the head off of the monster Medusa. The Greeks honored him, too, by naming a constellation after him.