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1 päivä sitten · The metre (or meter in US spelling; symbol: m) is the base unit of length in the International System of Units (SI). Since 2019, the metre has been defined as the length of the path travelled by light in vacuum during a time interval of 1 299 792 458 of a second, where the second is defined by a hyperfine transition frequency of caesium. [2]
3 päivää sitten · Suomi. Tämä artikkeli käsittelee valtiota. Muita merkityksiä on täsmennyssivulla. Suomen tasavalta ( ruots. Republiken Finland) eli Suomi ( ruots. Finland) on parlamentaarinen tasavalta Pohjois-Euroopassa . Suomen rajanaapureita ovat idässä Venäjä, pohjoisessa Norja ja lännessä Ruotsi.
- 338 472 km² (sijalla 64)
- Sauli Niinistö
1 päivä sitten · RU. Internet TLD. .ru. .рф. Russia, [b] or the Russian Federation, [c] is a country spanning Eastern Europe and North Asia. It is the largest country in the world by area, extending across eleven time zones and sharing land borders with fourteen countries. [d] It is the world's ninth-most populous country and Europe's most populous country.
3 päivää sitten · Time is one of the seven fundamental physical quantities in both the International System of Units (SI) and International System of Quantities. The SI base unit of time is the second , which is defined by measuring the electronic transition frequency of caesium atoms.
18 tuntia sitten · Francis Albert Sinatra ( / sɪˈnɑːtrə /; December 12, 1915 – May 14, 1998) was an American singer and actor. Nicknamed the "Chairman of the Board" and later called "Ol' Blue Eyes", he is regarded as one of the most popular entertainers of the mid-20th century.
4 päivää sitten · The Smithsonian Institution ( / smɪθˈsoʊniən / smith-SOH-nee-ən ), or simply the Smithsonian, is a group of museums, education and research centers, the largest such complex in the world, created by the U.S. government "for the increase and diffusion of knowledge."
1 päivä sitten · Vietnam, [d] [e] officially the Socialist Republic of Vietnam ( SRV ), [f] is a country at the eastern edge of mainland Southeast Asia, with an area of about 331,000 square kilometres (128,000 sq mi) and a population of over 100 million, making it the world's fifteenth-most populous country.
