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2 天前 · Polynesia[ a] ( UK: / ˌpɒlɪˈniːziə / POL-in-EE-zee-ə, US: /- ˈniːʒə / -EE-zhə) is a subregion of Oceania, made up of more than 1,000 islands scattered over the central and southern Pacific Ocean. The indigenous people who inhabit the islands of Polynesia are called Polynesians.
15 小時前 · The names of China include the many contemporary and historical designations given in various languages for the East Asian country known as Zhōngguó (中国; 中國; 'Central state', 'Middle kingdom') in Standard Chinese, a form based on the Beijing dialect of Mandarin. The English name "China" was borrowed from Portuguese during the 16th ...
2 天前 · Uranus is the seventh planet from the Sun. It is a gaseous cyan -coloured ice giant. Most of the planet is made of water, ammonia, and methane in a supercritical phase of matter, which astronomy calls "ice" or volatiles.
2 天前 · The Andromeda Galaxy is a barred spiral galaxy and is the nearest major galaxy to the Milky Way. It was originally named the Andromeda Nebula and is cataloged as Messier 31, M31, and NGC 224.
2 天前 · 99942 Apophis ( provisional designation 2004 MN4) is a near-Earth asteroid and a potentially hazardous object with a diameter of 370 metres (1,210 feet) [ 3] that caused a brief period of concern in December 2004 when initial observations indicated a probability up to 2.7% that it would hit Earth on April 13, 2029.
1 天前 · Gross domestic product (GDP) is the market value of all final goods and services from a nation in a given year. [ 2] Countries are sorted by nominal GDP estimates from financial and statistical institutions, which are calculated at market or government official exchange rates.
2 天前 · ISO 3166-1 alpha-2 codes are two-letter country codes defined in ISO 3166-1, part of the ISO 3166 standard [ 1] published by the International Organization for Standardization (ISO), to represent countries, dependent territories, and special areas of geographical interest.