Pegasus Plaza Perseus slew the serpent-haired monster Medusa and Pegasus sprang from her severed head. He stamped the earth with his hoof, creating the Fountain of the Muses. A limestone fountain and winding stream anchor the design of the plaza. The fountain is connected to a natural mineral spring below the Magnolia Building and is the source well for water in the plaza. A series of concentric circles embedded in the pavement radiates from the fountain into the surrounding streets. Scattered throughout the plaza are nine granite boulders taken from Marble Falls carved and dedicated to the nine Muses. A stone dedicated
Andromeda (constellation) daughter to Cetus. She was chained to a rock by the sea but was saved by the hero Perseus, who in one version of the story used the head of Medusa to turn the monster into stone; in another version, by the Roman poet Ovid in his Metamorphoses, Perseus slew the monster with his diamond sword. Perseus and Andromeda then married; the myth recounts that the couple had nine children together – seven sons and two daughters – and founded Mycenae and its Persideae dynasty. After Andromeda's death Athena placed her in the sky as a constellation, to honor her.