Description: RELATIVITY - AUSTRALIA, RelativityOne | Faster, Simpler Data Migration in Relativity with Migrate, How a star explosion tests Einstein's Theory of Relativity, Is time travel possible? Brian Cox and Nalini Joshi offer their views | Q & A
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Coordinates : 27°S 133°E / 27°S 133°E / -27; 133
Australia ( / ɒ ˈ s t r eɪ l i ə / , / ə - / , colloquially / - j ə / ), officially known as the Commonwealth of Australia , is an Oceanian country comprising the mainland of the Australian continent , the island of Tasmania , and numerous smaller islands . It is the world's sixth-largest country by total area . Neighbouring countries include Papua New Guinea , Indonesia and East Timor to the north; the Solomon Islands and Vanuatu to the north-east; and New Zealand to the south-east.
For about 50,000 years before the first British settlement in the late 18th century, Australia was inhabited by indigenous Australians , who spoke languages grouped into roughly 250 language groups . After the European discovery of the continent by Dutch explorers in 1606, Australia's eastern half was claimed by Great Britain in 1770 and initially settled through penal transportation to the colony of New South Wales from 26 January 1788. The population grew steadily in subsequent decades; the continent was