1

0 1 2 3 4 5 6 7 8 9 >> List of numbers -- Integers 0 10 20 30 40 50 60 70 80 90 >> uni- (from Latin) 1 (one) is a number, numeral, and the name of the glyph representing that number. It is the natural number following 0 and preceding 2. It represents a single entity. One is sometimes referred to as unity, and unit is sometimes used as an adjective in this sense. (For example, a line segment of "unit length" is a line segment of ...

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1: Encyclopedia - January 1

January 1 is the first day of the calendar year in both the Julian and Gregorian calendars. Here a calendar year refers to the order in which the months are displayed, January to December. The first day of the medieval Julian year was usually a day other than January 1. This day was adopted as the first day of the Julian year by all Western European countries except England between about 1450 and 1600. The Gregorian calendar as promulgated in 1582 did not specify that Janu ...

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1: Encyclopedia - August 1

August 1 is the 213th day of the year in the Gregorian Calendar (214th in leap years), with 152 days remaining. August 1 - Events. 527 - Justinian I becomes Byzantine Emperor. 607 - Ono no Imoko is dispatched as envoy to the Sui court in China (Traditional Japanese date: July 3, 607). 1291 - The Swiss Confederation is formed. 1492 - Ferdinand and Isabella drive the Jews out of Spain. 1461 - Edward IV is crowned king of England. 1498 - Christop ...

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1: Encyclopedia - April 1

April 1 is the 91st day of the year (92nd in leap years) in the Gregorian calendar, with 274 days remaining. April 1 - Events. 527 - Byzantine Emperor Justin I names his nephew Justinian I as co-ruler and successor to the throne. 1318 - Berwick-upon-Tweed is captured by the Scottish from the English 1572 - The Watergeuzen succeeded in capturing Den Briel, effectively sealing off the Meuse from the Spaniards. 1789 - In New York City, the United States House of R ...

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1: Encyclopedia - 1 E2 kg

To help compare different orders of magnitude we list here masses between 100 and 1000 kilograms. See also masses of other orders of magnitude. lighter masses 100 kg -- quintal (mainly U.S. - other countries have different definitions) 250 kg -- approximate mass of a lion 300 kg -- approximate mass of a grand piano 700 kg -- approximate mass of a dairy cow 910 kg -- 1 short ton (U.S.) heavier mass ...

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1: Encyclopedia - 1 E19 s and more

To help compare orders of magnitude of different times, this page lists times longer than 1019 seconds (320,000 million years) See also times of other orders of magnitude. See the article about the ultimate fate of the Universe for more discussion of these issues. Shorter times 3.3 × 1012 years – According to the traditional Vedic time of Hinduism, this is the lifetime of Brahma. 7.7 × 1015 years – half-life of cadmium-113 1.4 × 1017 year ...

1: Encyclopedia - 1 E10 m²

To help compare orders of magnitude of different geographical regions, we list here areas between 10,000 km² and 100,000 km². See also areas of other orders of magnitude. Areas smaller than 10,000 km² 10,000 km² is equal to: 3,863 square miles 1,000,000 hectares a circle of radius 56 km 10,106 km² -- Aurangabad District in Maharashtra, India 10,452 km² -- Lebanon (country ranked 160th by area) 10,604 km² -- Asturias, Spain 10,867 km ...

1: Encyclopedia - 1 Ceres

1 Ceres ([ˈsi.riz], Latin Cerēs) was the first asteroid to be discovered. It was discovered on January 1, 1801, by Giuseppe Piazzi. With a diameter of about 950 km it is by far the largest and most massive asteroid in the asteroid belt: It is over half as massive as the rest of the belt put together. 1 Ceres - Name. Ceres was originally named Ceres Ferdinandea after both the mythological figure Ceres (Roman goddess of plants and motherly ...

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1: Encyclopedia - Voyager 1

The Voyager 1 spacecraft is an 815-kilogram unmanned probe of the outer solar system and beyond, launched September 5, 1977, and currently operational. It is the farthest human-made object from Earth. The Voyager 1 spacecraft has moved into the solar system's final frontier, a vast area where the Sun's influence gives way to interstellar space. At 14 billion kilometers (95 astronomical units or 8.8 billion miles) from the Sun, Voyager 1 has entered the heliosheath, a region beyond termination shock – the heliosh ...

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1: Encyclopedia - October 1

October 1 is the 274th day of the year (275th in Leap years). There are 91 days remaining. October 1 - Events. 331 BC - Alexander the Great defeats Darius III of Persia in the Battle of Gaugamela. 959 - Edgar the Peaceable becomes king of all England. 965 - John XIII becomes Pope. 1788 - Nguyen Hue declares himself emperor of Viet Nam. 1791 - First session of the French Legislative Assembly. 1795 - Belgium is conquered by Fran ...

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1: Encyclopedia - AH-1 Cobra

The AH-1 Cobra, called the "Huey Cobra", "Cobra", or "Snake", is an attack helicopter, designed by Bell Helicopter Textron. It shares a common engine, transmission and rotor system with the UH-1. It is now fully replaced by the AH-64 Apache in US Army service, but upgraded versions continue to fly with US Marine Corps and several other users. AH-1 Cobra - Early history. Closely related with the development of the Bell AH-1 is the story of the Bell UH-1 – predecessor of the modern helicopter, icon of the V ...

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AH-1 Cobra - Early history

AH-1 Cobra - Armament

1: Encyclopedia - Bell X-1

The Bell X-1, originally XS-1 was the first aircraft to exceed the speed of sound in controlled, level flight. It was the first of the so called X-planes, a series of aircraft designated for testing of new technologies and usually kept highly secret. On October 14, 1947, Charles "Chuck" Yeager of the United States Air Force flew aircraft #46-062, which he had named 'Glamorous Glennis', after his wife. The rocket-powered aircraft was launched from the belly of a specially mod ...

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Bell X-1 - History

Bell X-1 - Aircraft serial numbers

Bell X-1 - Specifications X-1

Bell X-1 - Related content

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1: Encyclopedia - 1 E9 m³

To help compare different orders of magnitudes this page lists volumes between 1 and 10 cubic kilometres (109 to 1010 m³). See also volumes or capacities of other orders of magnitude. Smaller volumes 1'000 million cubic metres equals... 1 km³ (cubic kilometre) a ball of this volume has radius of 620 m 1 billion (meaning a thousand million) cubic metres 1'300 million m³ -- volume of Lake Biel, Switzerland 2'500 million m³ -- ...

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1: Encyclopedia - 1 E6 m³

To help compare different orders of magnitudes this page lists volumes between 1 million and 10 million cubic metre (106 to 107 m³). See also volumes or capacities of other orders of magnitude. Volumes smaller than 1 000 000 cubic metres 1 million cubic meters equals to: a cube of this volume has an edge of 100 m a ball of this volume has radius of 62.0 m 1,564,400 m³ -- volume of concrete in the Panama Canal Locks 2,600,600 m³ -- volume of ...

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1 E6 m³ - External link

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1: Encyclopedia - 1 E9 m²

To help compare orders of magnitude of different geographical regions, we list here areas between 1,000 km² and 10,000 km². See also areas of other orders of magnitude. areas less than 1000 km² 1,000 km² is equal to: 1 E9 m² in scientific notation 100,000 hectares approx. 386 square miles approx. 247,105 acres. a circle of radius of approx. 18 km. a square of side of approx. 32 km. 1,004 km² -- Samut Prakan Province, Thail ...

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1 E9 m² - External link

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1: Encyclopedia - Propan-1-ol

Propan-1-ol is a primary alcohol with the formula CH3CH2CH2OH. It is also known as 1-propanol, 1-propyl alcohol n-propyl alcohol, or simply propanol. It is used as a solvent in the pharmaceutical industry, and for resins and cellulose esters. It is formed naturally in small amounts during many fermentation processes. Propan-1-ol - Chemical properties. 1-Propanol shows the normal reactions of a primary alcohol. Thus it can be converted to alkyl hal ...

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1: Encyclopedia - 1 E27 m³

To help compare the orders of magnitude of different volumes, here is a list of volumes between 1027 m3 and 1030 m3. Smaller volumes 1.41 × 1027 m3 -- Volume of the Sun Larger volumes 1 E27 m³ - External link. Conversion Calculator for Units of VOLUME Category: Orders of magnitude (volume) ...

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1 E27 m³ - External link

1: Encyclopedia - 1 E5 m²

To help compare sizes of different geographic regions, we list here areas between 10 hectares (100,000 m²) and 100 hectares (1,000,000 m²). See also areas of other orders of magnitude. Areas smaller than 0.1 km² 0.1 km² is equal to: 10 hectares 10 hectares -- 1.08 million square feet 19 hectares -- Irish National Botanic Gardens 35 hectares -- Palace of the Parliament, Bucharest, Romania 44 hectares -- Vatican City Areas larger than 1 k ...

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1 E5 m² - External link

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1: Encyclopedia - 2+1 road

2+1 roads are country roads with a steel cable barrier separating the oncoming traffic, having two lanes in one direction and one lane in the other, alternating every few kilometres. Traditional country roads of at least 13 metres width can be converted to 2+1 roads and reach near motorway safety levels at a much lower cost than an actual conversion to motorway. Denmark and Sweden have been building 2+1 roads since the 1990s. 2+1 road - External Link. 2+1 roads - Danish experiences, rep ...

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2+1 road - External Link

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1: Encyclopedia - Ariane 1

Ariane I is the first version of the Ariane launcher family. Ariane 1 - Technical details. With lift-off mass of 210,000 kg, Ariane I was able to put in geostationary orbit one satellite or two smaller of a maximal weight of 1850 kg. Ariane I is a three-stage rocket: The first stage was equipped with 4 Viking engine developed by the Société Européenne de Propulsion. The second had a single Viking engine. The third stage had one LOX/LH2 bipropellant engine cap ...

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1: Encyclopedia - Vostok 1

Vostok 1 was the first manned space mission. Launched on April 12, 1961, Vostok 1 took Soviet cosmonaut Yuri Gagarin into space, the first time anyone had ever journeyed beyond the Earth's atmosphere and the first time anyone went into orbit. Vostok 1 - Crew. Yuri Gagarin Backup Gherman S. Titov Vostok spacecraft, Vostok rocket Vostok 1 - Mission Parameters. Mass: 4,725 kg< ...

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