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The Indian Ocean is the third-largest of the world's five oceanic divisions, covering 70,560,000 km2 (27,240,000 sq mi) or approximately 20% of the water area of Earth's surface. It is bounded by Asia to the north, Africa to the west and Australia to the east. To the south it is bounded by the Southern Ocean, or Antarctica, depending on the definition in use. The Indian Ocean has large marginal, or regional seas, such as the Andaman Sea, the Arabian Sea, the Bay of Bengal, and the Laccadive Sea.
Oceania is a geographical region including Australasia, Melanesia, Micronesia, and Polynesia. Outside of the English-speaking world, Oceania is generally considered a continent, while Mainland Australia is regarded as its continental landmass. Spanning the Eastern and Western hemispheres, at the centre of the water hemisphere, Oceania is estimated to have a land area of about 9,000,000 square kilometres (3,500,000 sq mi) and a population of around 44.4 million as of 2022. Oceania is the smallest continent in land area and the second-least populated after Antarctica.
A tsunami is a series of waves in a water body caused by the displacement of a large volume of water, generally in an ocean or a large lake. Earthquakes, volcanic eruptions and underwater explosions above or below water all have the potential to generate a tsunami. Unlike normal ocean waves, which are generated by wind, or tides, which are in turn generated by the gravitational pull of the Moon and the Sun, a tsunami is generated by the displacement of water from a large event.
Terra Australis was a hypothetical continent first posited in antiquity and which appeared on maps between the 15th and 18th centuries. Its existence was not based on any survey or direct observation, but rather on the idea that continental land in the Northern Hemisphere should be balanced by land in the Southern Hemisphere. This theory of balancing land has been documented as early as the 5th century on maps by Macrobius, who uses the term Australis on his maps.
The Tasman Sea is a marginal sea of the South Pacific Ocean, situated between Australia and New Zealand. It measures about 2,000 km (1,200 mi) across and about 2,800 km (1,700 mi) from north to south. The sea was named after the Dutch explorer Abel Janszoon Tasman, who in 1642 was the first known person to cross it. British explorer Lieutenant James Cook later extensively navigated the Tasman Sea in the 1770s during his three voyages of exploration.
The Great Australian Bight is a large oceanic bight, or open bay, off the central and western portions of the southern coastline of mainland Australia.
Dalwallinu, colloquially called Dally, is a town in the Wheatbelt region of Western Australia, located 248 km from Perth via the Great Northern Highway. Agriculture and supporting industries are the town's primary economic activities. The town is the first town on the Wildflower Way, a tourist route that stretches north to Mullewa. The town has an elevation of 335 metres (1,099 ft). At the 2016 census, Dalwallinu had a population of 699.
The Australian Indian Ocean Territories is the name since 1995 of an administrative unit under the Australian Department of Infrastructure, Transport, Regional Development, Communications and the Arts, consisting of two island groups in the Indian Ocean under Australian sovereignty:
Malcolm David Ross is an Australian linguist. He is the emeritus professor of linguistics at the Australian National University.
Beach Patrol is a half-hour television series airing on truTV. The show features lifeguards and police working together to apprehend criminals and save lives.
The southern sleeper shark, or Whitley's sleeper shark, is a deepwater benthopelagic sleeper shark of the family Somniosidae found in the southern and subantarctic extremes of the Atlantic, Indian and Pacific Oceans, and some northern reaches of the Antarctic oceans. It has been recorded near the southernmost areas of South America, near South Africa, southern Australia, Tasmania and New Zealand, as well as more remote locations in the south-central Indian Ocean.
The Christmas Island shrew, also known as the Christmas Island musk-shrew is an extremely rare or possibly extinct shrew from Christmas Island. It was variously placed as subspecies of the Asian gray shrew or the Southeast Asian shrew, but morphological differences and the large distance between the species indicate that it is an entirely distinct species.
Oceanic is an American manufacturer of scuba gear. It was founded by Bob Hollis in 1972 and is based in San Leandro, California, United States. Its products include dive computers, rebreathers and a novel diving mask incorporating a heads-up-display of information.
The Southern Ocean, also known as the Antarctic Ocean, comprises the southernmost waters of the world ocean, generally taken to be south of 60° S latitude and encircling Antarctica. With a size of 21,960,000 km2 (8,480,000 sq mi), it is the second-smallest of the five principal oceanic divisions, smaller than the Pacific, Atlantic and Indian oceans, and larger than the Arctic Ocean.
Cape Baily Light is an active lighthouse located at Cape Baily, a headland at the south side of the entrance to Botany Bay, New South Wales, Australia. The light serves to help north-bound shipping hug the coast to avoid the strong southerly currents further out to sea.
The 2019–20 Australian region cyclone season was a below average tropical cyclone season for the waters surrounding Australia between longitudes 90°E and 160°E. The season officially began on 1 November 2019 and ended on 30 April 2020; however, tropical cyclones can form at any time of year, as evidenced by Tropical Cyclone Mangga during May 2020. As such, any system existing between 1 July 2019 and 30 June 2020 would count towards the season total. The season featured the region's second-latest start on record, with the formation of the first tropical low only occurring on 4 January 2020. A total of eight tropical cyclones formed during the season, which represents the region's least active season since the 2016–17 season. Three systems intensified further into severe tropical cyclones, and three systems made landfall within the region at tropical cyclone intensity. A total of 28 fatalities were caused, either directly or indirectly, as a result of impacts from the season's systems. Cyclone Ferdinand was the strongest of the season reaching Category 4 in late February 2020. However, it was the second-strongest storm, Cyclone Damien, that was the most damaging. Damien was the strongest tropical cyclone to strike Western Australia's Pilbara Region since Cyclone Christine in 2013, making landfall directly over the town of Dampier.
The Samurai Kill is the 215th novel in the long-running Nick Carter-Killmaster series. It was first published in 1986.
Maii (Mae) is an Oceanic language spoken on Epi Island, in Vanuatu.
Ocean Victory is a Fincantieri super yacht, designed by Espen Øino (Oeino) and Alberto Pinto. At 140m long she was at the time of her construction one of the top 10 largest yachts in the world. She is reported to have seven decks, a helipad, six pools, and can accommodate a 14m tender in a floodable garage. She can accommodate 36 guests.
Torpedo trials craft are primarily naval auxiliaries used by navies for the development of new naval torpedoes and during practise firings. These craft are designed to track and monitor the torpedo and to be able to locate and retrieve the spent torpedo for analysis, and refurbishment for reuse. Torpedo trials craft had their greatest use during the years around World War II when the torpedo was the primary anti-ship weapon of submarines, destroyers and naval aircraft.
References
- ↑ "MONDAY". The Canberra Times . 16 August 1965. p. 2 Section: TELEVISION and radio GUIDE. Retrieved 14 November 2015– via National Library of Australia.
