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It was formed approximately 4.5 billion years ago, is a terrestrial planet and is the second smallest of the Solar System 's planets with a diameter of 6,779 km (4,212 mi). A Martian solar day ( sol) is 24.5 hours and a Martian solar year is 1.88 Earth years (687 Earth days). Mars has two small and irregular natural satellites: Phobos and Deimos.
Map. A map is a symbolic depiction emphasizing relationships between elements of some space, such as objects, regions, or themes. Many maps are static, fixed to paper or some other durable medium, while others are dynamic or interactive. Although most commonly used to depict geography, maps may represent any space, real or fictional, without ...
A world map is a map of most or all of the surface of Earth. World maps, because of their scale, must deal with the problem of projection. Maps rendered in two dimensions by necessity distort the display of the three-dimensional surface of the Earth. While this is true of any map, these distortions reach extremes in a world map.
Taiwan,[II][k] officially the Republic of China (ROC),[I][l] is a country[27] in East Asia.[o] It is located at the junction of the East and South China Seas in the northwestern Pacific Ocean, with the People's Republic of China (PRC) to the northwest, Japan to the northeast, and the Philippines to the south. The territories controlled by the ...
The Global Positioning System (GPS), originally Navstar GPS, is a satellite-based radio navigation system owned by the United States government and operated by the United States Space Force. It is one of the global navigation satellite systems (GNSS) that provide geolocation and time information to a GPS receiver anywhere on or near the Earth where there is an unobstructed line of sight to ...
Barcelona ( / ˌbɑːrsəˈloʊnə / ⓘ BAR-sə-LOH-nə, Catalan: [bəɾsəˈlonə] ⓘ, Spanish: [baɾθeˈlona] ⓘ) is a city on the northeastern coast of Spain. It is the capital and largest city of the autonomous community of Catalonia, as well as the second-most populous municipality of Spain. With a population of 1.6 million within city ...
Lithuania (/ˌlɪθjuˈeɪnijə/ ⓘ LITH-yoo-AYN-ee-yə;[13] Lithuanian: Lietuva [lʲiətʊˈvɐ]), officially the Republic of Lithuania (Lithuanian: Lietuvos Respublika [lʲiətʊˈvoːs rʲɛsˈpʊblʲɪkɐ]), is a country in the Baltic region of Europe.[a] It is one of three Baltic states and lies on the eastern shore of the Baltic Sea. It ...
