SUN, THE, is a star; is the centre of the solar system, as it is in consequence called, is a globe consisting of a mass of vapour at white heat, and of such enormous size that it is 500 times larger than all the planets of the system put together, or of a bulk one million and a half times greater than the earth, from which it is ninety-two and a half million miles distant; the bright surface of it is called the photosphere, and this brightness is diversified with brighter spots called faculae, and dark ones called sun-spots, and by watching which latter as they move over the sun’s disk we find it takes 25 days to revolve on its axis, and by means of SPECTRUM ANALYSIS (q. v.) find it is composed of hydrogen and a number of vaporised metals.

SUNDA ISLANDS, a name sometimes applied to the long chain of islands stretching SE. from the Malay Peninsula to North Australia, including Sumatra, Timor, &c., but more correctly designates the islands Bali, Lombok, Sumbawa, Flores, Sandalwood Island, &c., which lie between Java and Timor, are under Dutch suzerainty, and produce the usual East Indian products.  See various islands named.

SUNDERBUNDS or SUNDARBANS, a great tract of jungle, swamp, and alluvial plain, forming the lower portion of the Ganges delta; extends from the Hooghly on the W. to the Meghna on the E., a distance of 165 m.; rice is cultivated on the upper part by a sparse population; the lower part forms a dense belt of wild jungle reaching to the sea, and is infested by numerous tigers, leopards, rhinoceroses, pythons, cobras, &c.

SUNDERLAND (142), a flourishing seaport of Durham, situated at the mouth of the Wear, 12 m.  SE. of Newcastle-upon-Tyne; embraces some very old parishes, but as a commercial town has entirely developed within the present century, and is of quite modern appearance, with the usual public buildings; owes its prosperity mainly to neighbouring coal-fields, the product of which it exports in great quantities; has four large docks covering 50 acres; also famous iron shipbuilding yards, large iron-works, glass and bottle works, roperies, &c.

SUNDERLAND, CHARLES SPENCER, THIRD EARL, son of succeeding, and son in law of the Duke of Marlborough; was a Secretary of State in Queen Anne’s reign during 1706-1710, and in the following reign, as leader of the Whigs, exercised unbounded influence over George I.; narrowly escaped, chiefly through Walpole’s help, being found guilty of accepting heavy bribes from the South Sea Company; lost office, and was displaying his father’s propensity to underhand scheming by intriguing with the Tories and the Pretender’s party when death cut short his career (1675-1722).