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
The Nine Billion Names of God story into the Bengali language. The Nine Billion Names of God "The Nine Billion Names of God" is a 1953 science fiction short story by British writer Arthur C. Clarke. The story was among the stories selected in 1970 by the Science Fiction Writers of America as one of the best science fiction short stories published before the creation of the Nebula Awards. It was reprinted in The Science Fiction Hall of Fame, Volume One, 1929–1964". In a Tibetan lamasery, the monks seek to list all of the names of God. They believe the Universe was created for this purpose,