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Western Australia

Western Australia (abbreviated as WA) is a state occupying the entire western third of Australia. It is bounded by the Indian Ocean to the north and west, the Great Australian Bight and Southern Ocean to the south, the Northern Territory to the north-east and South Australia to the south-east. Western Australia is Australia's largest state with a total land area of 2,529,875 square kilometres (976,790 sq mi), and the second-largest country subdivision in the world – however, a significant part of it is sparsely populated. The state has about 2.6 million inhabitants, around 11% of the national total. 92% of the population lives in the south-west corner of the state.

The first European visitor to Western Australia was the Dutch explorer Dirk Hartog, who visited the Western Australian coast in 1616. The New South Wales colonial government established a convict-supported military garrison at King George III Sound, at present-day Albany, in 1826, which was followed by the establishment of the Swan River Colony in 1829, including the site of the present-day capital, Perth. York was the first inland settlement in Western Australia. Situated 97 kilometres east of Perth, it was settled on 16 September 1831.

True north

True north (geodetic north) is the direction along the earth's surface towards the geographic North Pole.

True geodetic north differs from magnetic north (the direction a compass points toward the magnetic north pole), and from grid north (the direction northwards along the grid lines of a map projection). Geodetic true north also differs very slightly from astronomical true north (typically by a few arcseconds) because the local gravity may not point at the exact rotational axis of the earth.

The direction of astronomical true north is marked in the skies by the north celestial pole. This is within about 1 degree of the position of Polaris, so that the star appears to trace a tiny circle in the sky each day. Due to the axial precession of the Earth, true north rotates in an arc with respect to the stars that takes approximately 25,000 years to complete. Around the year 2100 to 2102, Polaris will make its closest approach to the celestial north pole (extrapolated from recent Earth precession). Five thousand years ago, the closest visible star to the celestial north pole was Thuban.

New Guinea

New Guinea (Tok Pisin: Niugini; Dutch: Nieuw-Guinea; Indonesian: Papua or, historically, Irian) is a large Island in the South West Pacific region.

It is the world's second-largest island, after Greenland, covering a land area of 785,753 km², and the largest wholly within the southern hemisphere.

The island is divided among two countries: Papua New Guinea to the east, and Indonesia to the west.

Names

The island has been known by various names.

The name Papua was used to refer to parts of the island before contact with the West. Its etymology is unclear; one theory states that it is from Tidore, the language used by the Sultanate of Tidore, which controlled parts of the island's coastal region. The name came from papo (to unite) and ua (negation), which means not united or, territory that geographically is far away (and thus not united).

Ploeg reports that the word papua is often said to derive from the Malay word papua or pua-pua, meaning 'frizzly-haired', referring to the highly curly hair of the inhabitants of these areas. Another possibility, put forward by Sollewijn Gelpke in 1993, is that it comes from the Biak phrase sup i papwa which means 'the land below [the sunset]' and refers to the islands west of the Bird's Head, as far as Halmahera. Whatever the origin of the name Papua, it came to be associated with this area, and more especially with Halmahera, which was known to the Portuguese by this name during the era of their colonization in this part of the world.

Papua New Guinea

Coordinates: 6°S 147°E / 6°S 147°E / -6; 147

Papua New Guinea (PNG; /ˈpæpuə njuː ˈɡɪniː, ˈpɑː-, -pju-/, US /ˈpæpjuə, pɑːˈpuːə/;Tok Pisin: Papua Niugini; Hiri Motu: Papua Niu Gini), officially the Independent State of Papua New Guinea, is an Oceanian country that occupies the eastern half of the island of New Guinea and its offshore islands in Melanesia, a region of the southwestern Pacific Ocean north of Australia. Its capital, located along its southeastern coast, is Port Moresby. The western half of New Guinea forms the Indonesian provinces of Papua and West Papua.

Papua New Guinea is one of the most culturally diverse countries in the world; 848 languages are listed for the country, of which 12 have no known living speakers. Most of the population of over 7 million people live in customary communities, which are as diverse as the languages. It is also one of the most rural, as only 18 percent of its people live in urban centres. The country is one of the world's least explored, culturally and geographically, and many undiscovered species of plants and animals are thought to exist in the interior.