Andromedum -

: Perseus’s intervention is the archetypal example of chivalry and bravery.

: Astronomers have calculated that the Milky Way and Andromeda are racing toward each other at 110 kilometers per second and will eventually collide in about 4–5 billion years. Andromedum

In Greek mythology, Andromeda was the daughter of King Cepheus and Queen Cassiopeia of Aethiopia. The story begins with an act of hubris: Cassiopeia boasted that she (or her daughter) was more beautiful than the Nereids, the sea nymphs. This insult angered Poseidon, who sent a monstrous sea creature, Cetus , to ravage the kingdom. : Perseus’s intervention is the archetypal example of

: It is roughly 200,000 light-years in diameter, significantly larger than the Milky Way. who sent a monstrous sea creature