131 relations: Amapá, Amazon River, Amazonas (Brazilian state), Andes, Annobón, Antarctic Circle, Aranuka, Arctic Circle, Atlantic Ocean, Atmospheric refraction, Ayem, Batu Islands, Berlin, Booué, Borneo, Brazil, Butembo, Catequilla, Cayambe (volcano), Celestial equator, Celestial sphere, Circle of latitude, Ciudad Mitad del Mundo, Coriolis force, Country, Degree (angle), Dry season, Earth, Earth tide, Ecuador, Equatorial bulge, Equatorial Guinea, Equinox, French Guiana, Fuvahmulah, Gabon, Galápagos Islands, Gebe, Geodesy, Geographical mile, Geographical pole, Geoid, Geophysics, Great circle, Greater Somalia, Guiana Space Centre, Gulf of Guinea, Gulf of Tomini, Halmahera, Halmahera Sea, ..., Hong Kong Observatory, Horizon, Huvadhu Atoll, Ilhéu das Rolas, Indian Ocean, Indonesia, Integer, International Astronomical Union, International System of Units, International Union of Geodesy and Geophysics, Intertropical Convergence Zone, Isabela Island (Galápagos), Kampala, Karimata Strait, Kenya, Kisumu, Kourou, Lake Victoria, Latitude, Libreville, Lingga Islands, Llullaillaco, Macapá, Makassar Strait, Makoua, Mayéné, Meridian (geography), Molucca Sea, Monsoon of South Asia, Mount Everest, Mount Kilimanjaro, Nanyuki, Nautical mile, Neptune (mythology), New York City, Nonouti, Northern Hemisphere, Ocean, Pacific Ocean, Pará, Perpendicular, Peru, Plane (geometry), Planet, Polar circle, Polar motion, Pontianak, Indonesia, Prime meridian, Quito, Roraima, Rotation, Royal Navy, Russian Navy, Season, Snow line, Solstice, Somali Current, Southern Hemisphere, Spaceport, Spheroid, Springer Science+Business Media, Sulawesi, Sumatra, Sun, Sunrise, Sunset, Thermal equator, Tibetan Plateau, Tropic of Cancer, Tropic of Capricorn, Tropical monsoon climate, Tropical rainforest climate, Tropics, United Nations, United States Navy, World Geodetic System, World map, World Meteorological Organization, Year, 1st parallel north, 1st parallel south. Expand index (81 more) » « Shrink index
Amapá is a state located in the northern region of Brazil.
The Amazon River (or; Spanish and Amazonas) in South America is the largest river by discharge volume of water in the world, and either the longest or second longest.
Amazonas is a state of Brazil, located in the North Region in the northwestern corner of the country.
The Andes or Andean Mountains (Cordillera de los Andes) are the longest continental mountain range in the world.
Annobón is a small province of Equatorial Guinea consisting of the island of Annobón and its associated islets in the Gulf of Guinea and Atlantic Ocean's Cameroon line.
The Antarctic Circle is the most southerly of the five major circles of latitude that mark maps of the Earth.
Aranuka is an atoll of Kiribati, located just north of the equator, in the Gilbert Islands.
The Arctic Circle is the most northerly of the five major circles of latitude as shown on maps of Earth.
The Atlantic Ocean is the second largest of the world's oceans with a total area of about.
Atmospheric refraction is the deviation of light or other electromagnetic wave from a straight line as it passes through the atmosphere due to the variation in air density as a function of height.
Ayem is a small town in central western Gabon.
The Batu Islands are an archipelago of Indonesia located in the Indian Ocean, off the west coast of Sumatra, between Nias and Siberut.
Berlin is the capital and the largest city of Germany, as well as one of its 16 constituent states.
Booué is a small town in central western Gabon.
Borneo (Pulau Borneo) is the third largest island in the world and the largest in Asia.
Brazil (Brasil), officially the Federative Republic of Brazil (República Federativa do Brasil), is the largest country in both South America and Latin America.
Butembo is a city in North Kivu, in the north eastern Democratic Republic of Congo, lying west of the Virunga National Park.
Monte Catequilla (also Kati-Killa) is an archaeological site in the Pomasqui Valley of Ecuador.
Cayambe or Volcán Cayambe is a volcano in Ecuador, in the Cordillera Central, a range of the Ecuadorian Andes.
The celestial equator is the great circle of the imaginary celestial sphere on the same plane as the equator of Earth.
In astronomy and navigation, the celestial sphere is an abstract sphere with an arbitrarily large radius concentric to Earth.
A circle of latitude on Earth is an abstract east–west circle connecting all locations around Earth (ignoring elevation) at a given latitude.
The Ciudad Mitad del Mundo (Middle of the World City) is a tract of land owned by the prefecture of the province of Pichincha, Ecuador.
In physics, the Coriolis force is an inertial force that acts on objects that are in motion relative to a rotating reference frame.
A country is a region that is identified as a distinct national entity in political geography.
A degree (in full, a degree of arc, arc degree, or arcdegree), usually denoted by ° (the degree symbol), is a measurement of a plane angle, defined so that a full rotation is 360 degrees.
The dry season is a yearly period of low rainfall, especially in the tropics.
Earth is the third planet from the Sun and the only astronomical object known to harbor life.
Earth tide (also known as solid Earth tide, crustal tide, body tide, bodily tide or land tide) is the displacement of the solid earth's surface caused by the gravity of the Moon and Sun.
Ecuador (Ikwadur), officially the Republic of Ecuador (República del Ecuador, which literally translates as "Republic of the Equator"; Ikwadur Ripuwlika), is a representative democratic republic in northwestern South America, bordered by Colombia on the north, Peru on the east and south, and the Pacific Ocean to the west.
An equatorial bulge is a difference between the equatorial and polar diameters of a planet, due to the force exerted by its rotation.
Equatorial Guinea (Guinea Ecuatorial, Guinée équatoriale, Guiné Equatorial), officially the Republic of Equatorial Guinea (República de Guinea Ecuatorial, République de Guinée équatoriale, República da Guiné Equatorial), is a country located in Central Africa, with an area of.
An equinox is commonly regarded as the moment the plane (extended indefinitely in all directions) of Earth's equator passes through the center of the Sun, which occurs twice each year, around 20 March and 22-23 September.
French Guiana (pronounced or, Guyane), officially called Guiana (Guyane), is an overseas department and region of France, on the north Atlantic coast of South America in the Guyanas.
Fuvahmulah City (Dhivehi: ފުވައްމުލައް) is an island (atoll) in the Maldives.
Gabon, officially the Gabonese Republic (République gabonaise), is a sovereign state on the west coast of Central Africa.
The Galápagos Islands (official name: Archipiélago de Colón, other Spanish name: Las Islas Galápagos), part of the Republic of Ecuador, are an archipelago of volcanic islands distributed on either side of the equator in the Pacific Ocean surrounding the centre of the Western Hemisphere, west of continental Ecuador.
Gebe is an island of Maluku Islands, Indonesia.
Geodesy, also known as geodetics, is the earth science of accurately measuring and understanding three of Earth's fundamental properties: its geometric shape, orientation in space, and gravitational field.
The geographical mile is a unit of length determined by 1 minute of arc along the Earth's equator.
A geographical pole is either of the two points on a rotating body (planet, dwarf planet, natural satellite, sphere...etc) where its axis of rotation intersects its surface.
The geoid is the shape that the surface of the oceans would take under the influence of Earth's gravity and rotation alone, in the absence of other influences such as winds and tides.
Geophysics is a subject of natural science concerned with the physical processes and physical properties of the Earth and its surrounding space environment, and the use of quantitative methods for their analysis.
A great circle, also known as an orthodrome, of a sphere is the intersection of the sphere and a plane that passes through the center point of the sphere.
Greater Somalia (Soomaaliweyn, الصومال الكبير) comprises the regions in or near the Horn of Africa in which ethnic Somalis live and have historically inhabited.
The Guiana Space Centre or, more commonly, Centre Spatial Guyanais (CSG) is a French and European spaceport to the northwest of Kourou in French Guiana.
The Gulf of Guinea is the northeasternmost part of the tropical Atlantic Ocean between Cape Lopez in Gabon, north and west to Cape Palmas in Liberia.
The Gulf of Tomini (Teluk Tomini), also known as the Bay of Tomini, is the equatorial gulf which separates the Minahassa (Northern) and East Peninsulas of the island of Sulawesi (Celebes) in Indonesia.
Halmahera, formerly known as Jilolo, Gilolo, or Jailolo, is the largest island in the Maluku Islands.
Halmahera Sea is a regional sea located in the central eastern part of the Australasian Mediterranean Sea.
The Hong Kong Observatory is a weather forecast agency of the government of Hong Kong.
The horizon or skyline is the apparent line that separates earth from sky, the line that divides all visible directions into two categories: those that intersect the Earth's surface, and those that do not.
Huvadhu is the largest atoll of the Maldives.
Ilhéu das Rolas is an islet in São Tomé and Príncipe, in Africa.
The Indian Ocean is the third largest of the world's oceanic divisions, covering (approximately 20% of the water on the Earth's surface).
Indonesia (or; Indonesian), officially the Republic of Indonesia (Republik Indonesia), is a transcontinental unitary sovereign state located mainly in Southeast Asia, with some territories in Oceania.
An integer (from the Latin ''integer'' meaning "whole")Integer 's first literal meaning in Latin is "untouched", from in ("not") plus tangere ("to touch").
The International Astronomical Union (IAU; Union astronomique internationale, UAI) is an international association of professional astronomers, at the PhD level and beyond, active in professional research and education in astronomy.
The International System of Units (SI, abbreviated from the French Système international (d'unités)) is the modern form of the metric system, and is the most widely used system of measurement.
The International Union of Geodesy and Geophysics (IUGG; Union géodésique et géophysique internationale, UGGI) is an international non-governmental organisation dedicated to the scientific study of the Earth and its space environment using geophysical and geodetic techniques.
The Intertropical Convergence Zone (ITCZ), known by sailors as the doldrums, is the area encircling Earth near the Equator, where the northeast and southeast trade winds converge.
Isabela Island is the largest island of the Galápagos with an area of and length of, almost four times larger than Santa Cruz, the second largest of the archipelago.
Kampala is the capital and largest city of Uganda.
The Karimata Strait (Selat Karimata) also spelled Carimata or Caramata is the wide strait that connects the South China Sea to the Java Sea, separating the Indonesian islands of Sumatra and Borneo (Kalimantan).
Kenya, officially the Republic of Kenya, is a country in Africa with its capital and largest city in Nairobi.
Kisumu, officially known as Kisumu City (and formerly Port Florence), is the Kenyan inland port city on Lake Victoria and the capital city of Kisumu County, Kenya.
Kourou is a commune in French Guiana, an overseas region and department of France located in South America.
Lake Victoria (Nam Lolwe in Luo; Nalubaale in Luganda; Nyanza in Kinyarwanda and some Bantu languages) is one of the African Great Lakes.
In geography, latitude is a geographic coordinate that specifies the north–south position of a point on the Earth's surface.
Libreville is the capital and largest city of Gabon, in western central Africa.
Not to be confused with "Linga", a common Scottish island name, see Linga (disambiguation) The Lingga Islands Regency or Lingga Archipelago (Kabupaten Kepulauan Lingga) are a group of islands in Indonesia, located south of Singapore, along both sides of the equator, off the eastern coast of Riau Province on Sumatra island.
Llullaillaco is a dormant stratovolcano at the border of Argentina (Salta Province) and Chile (Antofagasta Region).
Macapá is a city in Brazil, population 397,913 (2010 census).
Makassar Strait is a strait between the islands of Borneo and Sulawesi in Indonesia.
Makoua is a town in the Republic of the Congo, lying at the southern edge of the rainforest, north of Owando.
Mayéné is a small town in Abanga-Bigne Department, Moyen-Ogooué Province, in northwestern Gabon.
A (geographical) meridian (or line of longitude) is the half of an imaginary great circle on the Earth's surface, terminated by the North Pole and the South Pole, connecting points of equal longitude.
The Moluccan Sea (Indonesian: Laut Maluku) is located in the western Pacific Ocean, around the vicinity of Indonesia, specifically bordered by the Indonesian Islands of Celebes (Sulawesi) to the west, Halmahera to the east, and the Sula Islands to the south.
The monsoon of South Asia is among several geographically distributed global monsoons.
Mount Everest, known in Nepali as Sagarmāthā and in Tibetan as Chomolungma, is Earth's highest mountain above sea level, located in the Mahalangur Himal sub-range of the Himalayas.
Mount Kilimanjaro or just Kilimanjaro, with its three volcanic cones, "Kibo", "Mawenzi", and "Shira", is a dormant volcano in Tanzania.
Nanyuki is a market town in Laikipia County of Kenya lying northwest of Mount Kenya along the A2 road and at the terminus of the branch railway from Nairobi.
A nautical mile is a unit of measurement defined as exactly.
Neptune (Neptūnus) was the god of freshwater and the sea in Roman religion.
The City of New York, often called New York City (NYC) or simply New York, is the most populous city in the United States.
Nonouti is an atoll and district of Kiribati.
The Northern Hemisphere is the half of Earth that is north of the Equator.
An ocean (the sea of classical antiquity) is a body of saline water that composes much of a planet's hydrosphere.
The Pacific Ocean is the largest and deepest of Earth's oceanic divisions.
Pará is a state in northern Brazil traversed by the lower Amazon River.
In elementary geometry, the property of being perpendicular (perpendicularity) is the relationship between two lines which meet at a right angle (90 degrees).
Peru (Perú; Piruw Republika; Piruw Suyu), officially the Republic of Peru, is a country in western South America.
In mathematics, a plane is a flat, two-dimensional surface that extends infinitely far.
A planet is an astronomical body orbiting a star or stellar remnant that is massive enough to be rounded by its own gravity, is not massive enough to cause thermonuclear fusion, and has cleared its neighbouring region of planetesimals.
A polar circle is either the Arctic Circle or the Antarctic Circle.
Polar motion of the Earth is the motion of the Earth's rotational axis relative to its crust.
Pontianak (Chinese: 坤甸, pinyin: Kūndiān, Hakka: Khuntîen, Teochew: Kung1 Diêng6, Jawi: كوت بونتياناك); is the capital of the Indonesian province of West Kalimantan, founded by Syarif Abdurrahman Alkadrie as a capital of Sultanate of Kadriyah (Kesultanan Kadriyah) in 23 Oktober 1771 / 14 Rajab 1185 Hijriah.
A prime meridian is a meridian (a line of longitude) in a geographic coordinate system at which longitude is defined to be 0°.
Quito (Kitu; Kitu), formally San Francisco de Quito, is the capital city of Ecuador, and at an elevation of above sea level, it is the second-highest official capital city in the world, after La Paz, and the one which is closest to the equator.
Roraima (Pemon: roro imã, "parrot mountain" i.e. "Green Peak") is the northernmost and least populated state of Brazil, located in the Amazon region.
A rotation is a circular movement of an object around a center (or point) of rotation.
The Royal Navy (RN) is the United Kingdom's naval warfare force.
The Russian Navy (r, lit. Military-Maritime Fleet of the Russian Federation) is the naval arm of the Russian Armed Forces.
A season is a division of the year marked by changes in weather, ecology, and amount of daylight.
The climatic snow line is the boundary between a snow-covered and snow-free surface.
A solstice is an event occurring when the Sun appears to reach its most northerly or southerly excursion relative to the celestial equator on the celestial sphere.
The Somali Current is an ocean boundary current that runs along the coast of Somalia and Oman in the Western Indian Ocean and is analogous to the Gulf Stream in the Atlantic Ocean.
The Southern Hemisphere is the half of Earth that is south of the Equator.
A spaceport or cosmodrome is a site for launching (or receiving) spacecraft, by analogy to seaport for ships or airport for aircraft.
A spheroid, or ellipsoid of revolution, is a quadric surface obtained by rotating an ellipse about one of its principal axes; in other words, an ellipsoid with two equal semi-diameters.
Springer Science+Business Media or Springer, part of Springer Nature since 2015, is a global publishing company that publishes books, e-books and peer-reviewed journals in science, humanities, technical and medical (STM) publishing.
Sulawesi, formerly known as Celebes, is an island in Indonesia.
Sumatra is an Indonesian island in Southeast Asia that is part of the Sunda Islands.
The Sun is the star at the center of the Solar System.
Sunrise or sun up is the instant at which the upper edge of the Sun appears over the horizon in the morning.
Sunset or sundown is the daily disappearance of the Sun below the horizon as a result of Earth's rotation.
The thermal equator (also known as "the heat equator") is a belt encircling the Earth, defined by the set of locations having the highest mean annual temperature at each longitude around the globe.
The Tibetan Plateau, also known in China as the Qinghai–Tibet Plateau or the Qing–Zang Plateau or Himalayan Plateau, is a vast elevated plateau in Central Asia and East Asia, covering most of the Tibet Autonomous Region and Qinghai in western China, as well as part of Ladakh in Jammu and Kashmir, India.
The Tropic of Cancer, also referred to as the Northern Tropic, is the most northerly circle of latitude on Earth at which the Sun can be directly overhead.
The Tropic of Capricorn (or the Southern Tropic) is the circle of latitude that contains the subsolar point on the December (or southern) solstice.
A tropical monsoon climate (occasionally known as a tropical wet climate or a tropical monsoon and trade-wind littoral climate) is a type of climate that corresponds to the Köppen climate classification category "Am".
A tropical rainforest climate, also known as an equatorial climate, is a tropical climate usually (but not always) found along the equator.
The tropics are a region of the Earth surrounding the Equator.
The United Nations (UN) is an intergovernmental organization tasked to promote international cooperation and to create and maintain international order.
The United States Navy (USN) is the naval warfare service branch of the United States Armed Forces and one of the seven uniformed services of the United States.
The World Geodetic System (WGS) is a standard for use in cartography, geodesy, and satellite navigation including GPS.
A world map is a map of most or all of the surface of the Earth.
The World Meteorological Organization (WMO) is an intergovernmental organization with a membership of 191 Member States and Territories.
A year is the orbital period of the Earth moving in its orbit around the Sun.
The 1st parallel north is a circle of latitude that is 1 degree north of the Earth's equatorial plane.
The 1st parallel south is a circle of latitude that is 1 degree south of the Earth's equatorial plane.
0th parallel, Circumference of Earth, Circumference of earth, Circumference of the earth, Ecuator, Ecuatorial, Equator (geography), Equatorial country, Equitorial, Latitude 0 degrees N, Latitude 0 degrees S, List of countries crossing the equator, List of countries on the equator, The Equator, The equator.