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Mars | |
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Population | 0 |
Mars is the fourth planet from the Sun and the second-smallest planet in the Solar System, being larger than only Mercury. In English, Mars carries the name of the Roman god of war and is often referred to as the "Red Planet". The latter refers to the effect of the iron oxide prevalent on Mars's surface, which gives it a reddish appearance distinctive among the astronomical bodies visible to the naked eye. Mars is a terrestrial planet with a thin atmosphere, with surface features reminiscent of the impact craters of the Moon and the valleys, deserts and polar ice caps of Earth.
The days and seasons are comparable to those of Earth, because the rotational period as well as the tilt of the rotational axis relative to the ecliptic plane are similar. Mars is the site of Olympus Mons, the largest volcano and highest known mountain on any planet in the Solar System, and of Valles Marineris, one of the largest canyons in the Solar System. The smooth Borealis basin in the northern hemisphere covers 40% of the planet and may be a giant impact feature. Mars has two moons, Phobos and Deimos, which are small and irregularly shaped. These may be captured asteroids, similar to 5261 Eureka, a Mars trojan.Mars has been explored by several uncrewed spacecraft. Mariner 4 was the first spacecraft to visit Mars; launched by NASA on 28 November 1964, it made its closest approach to the planet on 15 July 1965. Mariner 4 detected the weak Martian radiation belt, measured at about 0.1% that of Earth, and captured the first images of another planet from deep space. The Soviet Mars 3 mission included a lander, which achieved a soft landing in December 1971; however, contact was lost seconds after touchdown. On 20 July 1976, Viking 1 performed the first successful landing on the Martian surface. On 4 July 1997, the Mars Pathfinder spacecraft landed on Mars and on 5 July released its rover, Sojourner, the first robotic rover to operate on Mars.
Baton Rouge | |
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State | Louisiana |
Country | United States of America |
Capital | |
Population | 0 |
Postcode | 70816 |
Baton Rouge ( BAT-ən ROOZH; from French Bâton-Rouge 'red stick') is the capital city of the U.S. state of Louisiana. On the eastern bank of the Mississippi River, it is the parish seat of East Baton Rouge Parish, the most-populous parish in Louisiana. Since 2019, the city of Baton Rouge has been the 100th-most-populous city in the United States, and second-largest city in Louisiana after New Orleans. It is also the 16th-most-populous state capital. As of the U.S. Census Bureau's July 2019 estimate, Baton Rouge had a population of 220,236, down from 229,493 at the 2010 U.S. census. The city of Baton Rouge is the center of the Greater Baton Rouge area, the second-largest metropolitan area in Louisiana, with a population of 834,159 as of 2017, up from 802,484 in 2010 and 829,719 in 2015.The Baton Rouge area owes its historical importance to its strategic site upon the Istrouma Bluff, the first natural bluff upriver from the Mississippi River Delta at the Gulf of Mexico. This allowed development of a business quarter safe from seasonal flooding. In addition, the city built a levee system stretching from the bluff southward to protect the riverfront and low-lying agricultural areas. The city is a culturally rich center, with settlement by immigrants from numerous European nations and African peoples brought to North America as slaves or indentured servants.
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