Wikipedia
Xandar
Xandar is a fictional planet appearing in American comic books published by Marvel Comics. The planet is depicted as being in the Tranta system in the Andromeda galaxy. It is best known as the home world of the Nova Corps, an intergalactic police task force. Xandar is also the home planet of Firelord and Air-Walker, former Heralds of Galactus as well as the super-villain Supernova.