Legacy of the Roman Empire learned classes throughout the Middle Ages; this is especially seen during the Renaissance and Baroque periods. Books which had a revolutionary impact on science, such as Nicolaus Copernicus' "De revolutionibus orbium coelestium" (1543), were composed in Latin. This language was not supplanted for scientific purposes until the 18th century, and for formal descriptions in zoology, as well as botany - it survived to the later 20th century. The modern international Binomial nomenclature holds to this day: the scientific name of each species is classified by a Latin or Latinized name. Today the Romance languages, which comprise all languages that descended
The Dark Side of the Sun of CY Aquarii) settled by a joint party of phnobes and earth-humans. The planet is mostly water and marsh. Their wealth derives from both the chance discovery of "pilac", a safe death-immunity drug and "googoo", a fungal copier and regenerator of human tissue. The vegetation is blue. 52 different sentient species (including earth-humanity) exist in the novel. Chief among them are: The rest: The Dark Side of the Sun The Dark Side of the Sun is a science fiction novel by Terry Pratchett, first published in 1976. It is similar to the work of Isaac Asimov. According to Don D'Ammassa,