90482 Orcus Etruscan equivalent of the Roman Pluto, and later became an alternate name for Pluto. The surface of Orcus is relatively bright with albedo reaching 23%, grey in color and water-rich. The ice is predominantly in crystalline form, which may be related to past cryovolcanic activity. Other compounds like methane or ammonia may also be present. The existence of a satellite allowed astronomers to determine the mass of the system, which is approximately equal to that of the Saturnian moon Tethys. The ratio of masses of Orcus and Vanth is uncertain, possibly anywhere from 1:33 to 1:12. The diameter of Orcus
Cupid and Psyche to throw herself off. The tower, however, suddenly breaks into speech, and advises her to travel to Lacedaemon, Greece, and to seek out the place called Taenarus, where she will find the entrance to the underworld. The tower offers instructions for navigating the underworld: The airway of Dis is there, and through the yawning gates the pathless route is revealed. Once you cross the threshold, you are committed to the unswerving course that takes you to the very Regia of Orcus. But you shouldn’t go emptyhanded through the shadows past this point, but rather carry cakes of honeyed barley in