Amasya, city, capital of Amasya il (province), northern Turkey, on the Yeşil River, also called the Iris River. Capital of the kings of Pontus until about 183 bce, it was made a free city and the administrative centre of a large territory by Pompey in 65 bce. In the 2nd century ce it received the

Ottoman Empire: Süleyman I: …agreed in 1555 to the Peace of Amasya, by which he retained Iraq and eastern Anatolia but renounced Ottoman claims to Azerbaijan and the Caucasus and agreed to allow Shiʿi Persian pilgrims to visit Mecca and Medina as well as their own holy places in Iraq. Thus, the same geographic…

Amaterasu, (Japanese: “Great Divinity Illuminating Heaven”), the celestial sun goddess from whom the Japanese imperial family claims descent, and an important Shintō deity. She was born from the left eye of her father, Izanagi, who bestowed upon her a necklace of jewels and placed her in charge of

Amaterasu, (Japanese: “Great Divinity Illuminating Heaven”), the celestial sun goddess from whom the Japanese imperial family claims descent, and an important Shintō deity. She was born from the left eye of her father, Izanagi, who bestowed upon her a necklace of jewels and placed her in charge of

Isabelle Huppert: Versatility in the 1990s and 2000s: …a nun turned pornographer in Amateur. The following year she portrayed a town gossip and murderer in La Cerémonie, for which she received a French César Award. She later played a career woman dating a young bartender in L’École de la chair (1998; The School of Flesh).

United States v. Thomas: …they had created, named the Amateur Action Bulletin Board Service (AABBS). The service was operated from a dedicated computer and phone line, which allowed dial-in access (using modems) to the BBS from individuals’ homes. Once connected, individuals could read and post messages as well as download any materials (such as…

Amateur Athletic Association (AAA), British national governing organization for the sport of track and field (athletics). Founded in 1880, it took over as the governing power from the Amateur Athletic Club, founded in 1866. The association was the first such organization in the world. The AAA was

athletics: Modern development: …amateurs, and in 1866 the Amateur Athletic Club (AAC) was founded and conducted the first English championships. The emphasis in all these meets was on competition for “gentlemen amateurs” who received no financial compensation. In 1880 the AAC yielded governing power to the Amateur Athletic Association (AAA).

Amateur Athletic Union of the United States (AAU), alliance of national and district associations, amateur athletic groups, and educational institutions formed in the United States in 1888 for the purpose of certifying athletes as amateurs in various sports. The AAU now serves as the governing body

boxing: Amateur boxing: In 1880 the Amateur Boxing Association (ABA), the sport’s first amateur governing body, was formed in Britain, and in the following year the ABA staged its first official amateur championships.

Robert Louis Stevenson: Early life: …arduous journey appeared later in The Amateur Emigrant, 1895, and Across the Plains, 1892). His adventures, which included coming very near death and eking out a precarious living in Monterey and San Francisco, culminated in marriage to Fanny Osbourne (who was by then divorced from her first husband) early in…

ice hockey: Early organization: …first national hockey organization, the Amateur Hockey Association (AHA) of Canada (which limited players to seven a side), was formed in Montreal in 1885, and the first league was formed in Kingston during the same year, with four teams: the Kingston Hockey Club, Queen’s University, the Kingston Athletics, and the…

Olympic Games: St. Moritz, Switzerland, 1948: …Committee, another supported by the Amateur Hockey Association of the United States (AHAUS). While the IOC declared both teams ineligible, the Swiss Olympic Committee ruled that the AHAUS team could compete; the U.S. national team could participate only in the opening ceremonies. The IOC refused to sanction the competition, claiming…

Television in the United States: Reality TV: …competition in the tradition of The Original Amateur Hour, which had aired on the radio in the 1930s and ’40s and then on television from 1948 through 1970, spending some time on each of the four networks. As was the case with The Original Amateur Hour, American Idol was responsible…

amateur radio, noncommercial two-way radio communications. Messages are sent either by voice or in International Morse Code. Interest in amateur radio arose around the turn of the 20th century, shortly after Italian inventor Guglielmo Marconi successfully sent the first transatlantic wireless

skittles: …game was assumed by the Amateur Skittle Association, which specified the dimensions of the alley and the distance between each of the nine pins in the diamond frame.

softball: The Amateur Softball Association of America, organized in 1933, came to be the recognized governing agency for promotion and control of organized national competition.

athletics: Organization and tournaments: …is still restricted to the amateur athlete, although the definition of “amateur” continues to evolve. The IAAF over time has reduced its definition of an amateur athlete to the simplest possible terms: “An amateur is one who abides by the eligibility rules of the IAAF” is the complete rule, allowing…

swimming: History: …in 1869, ultimately became the Amateur Swimming Association, the governing body of British amateur swimming. National swimming federations were formed in several European countries from 1882 to 1889. In the United States swimming was first nationally organized as a sport by the Amateur Athletic Union (AAU) on its founding in…

Amathus, ancient city located near Limassol, Cyprus, among sandy hills and sand dunes, which may explain its name (Greek amathos, “sand”). Founded by the Phoenicians (c. 1500 bce), Amathus maintained strong sympathies with the Phoenician mainland and refused to join various Cypriot revolts against

Amati Family, a family of celebrated Italian violin makers in Cremona in the 16th and 17th centuries. Andrea (c. 1520–c. 1578), the founder of the Cremona school of violin making, was perhaps originally influenced by the work of slightly earlier makers from Brescia. His earliest-known violins are

Amati Family: Andrea (c. 1520–c. 1578), the founder of the Cremona school of violin making, was perhaps originally influenced by the work of slightly earlier makers from Brescia. His earliest-known violins are dated about 1564. In essentials, they set the style for all the models made by…

Amati Family: …are known as the brothers Amati.

Amatique Bay, inlet of the Gulf of Honduras in the Caribbean Sea, indenting eastern Guatemala and southeastern Belize. Extending northwestward for about 40 miles (64 km) from Santo Tomás de Castilla, it is some 15 miles (24 km) from northeast to southwest. Three rivers empty into Amatique Bay: the

Amatique Bay, inlet of the Gulf of Honduras in the Caribbean Sea, indenting eastern Guatemala and southeastern Belize. Extending northwestward for about 40 miles (64 km) from Santo Tomás de Castilla, it is some 15 miles (24 km) from northeast to southwest. Three rivers empty into Amatique Bay: the

Lake Amatitlán, lake, south-central Guatemala, in the central highlands at 4,085 feet (1,248 metres) above sea level. The volcanic lake, 130 feet (40 metres) deep, is 7 miles (11 km) long and 2 miles (3 km) wide and has an area of about 6 square miles (15 square km). It is fed by the Villalobos

Lake Amatitlán, lake, south-central Guatemala, in the central highlands at 4,085 feet (1,248 metres) above sea level. The volcanic lake, 130 feet (40 metres) deep, is 7 miles (11 km) long and 2 miles (3 km) wide and has an area of about 6 square miles (15 square km). It is fed by the Villalobos

Italy: Emergence of the second republic: Socialist Prime Minister Giuliano Amato (1992–93), whose government had been rocked by the corruption scandal, resigned shortly after the passage of the referendum, and President Scalfaro asked Carlo Azeglio Ciampi to step in and form a government to implement the electoral reforms and stabilize the economy. The collapse…

explosive: Picric acid and ammonium picrate: …AN and TNT, known as amatol. Their principal advantages were that they made the supply of TNT go further and were considerably cheaper. In World War II the amatols were used in aerial bombs as well as artillery shells.

kami: …Shintō the heavenly kami (amatsukami) were considered nobler than the earthly kami (kunitsukami), but in modern Shintō this distinction is no longer made. Kami are manifested in, or take residence in, symbolic objects such as a mirror (see shintai), in which form they are usually worshipped in Shintō shrines.…

Amalric I was the king of Jerusalem from 1163 to 1174. He was a strong ruler who protected the rights of vassals and helped prevent Muslim unity around the Holy Land. Amalric, the son of King Fulk of Jerusalem, had been count of Jaffa and Ascalon before succeeding his elder brother Baldwin III on

Amalric II was the king of Cyprus (1194–1205) and of Jerusalem (1197–1205) who ably ruled the two separated kingdoms. Amalric had been constable of Palestine before he was summoned by the Franks in Cyprus to become king there after the death of his brother Guy of Lusignan. Amalric planned a close

spider: Annotated classification: Family Amaurobiidae 680 species common worldwide. Cribellum; 3 tarsal claws without brush of setae; tarsi with dorsal row of trichobothria; resemble Agelenidae; make an irregular funnel web between stones. Family Dictynidae About 560 species common in temperate areas. Cribellum; 3 tarsal claws; tarsi lack trichobothria and…

spider: Annotated classification: Family Amaurobiidae 680 species common worldwide. Cribellum; 3 tarsal claws without brush of setae; tarsi with dorsal row of trichobothria; resemble Agelenidae; make an irregular funnel web between stones. Family Dictynidae About 560 species common in temperate areas. Cribellum; 3 tarsal claws; tarsi lack trichobothria and…

Tay-Sachs disease, hereditary metabolic disorder that causes progressive mental and neurologic deterioration and results in death in early childhood. The disease is inherited as an autosomal recessive trait and occurs most commonly among people of eastern European (Ashkenazic) Jewish origin. In

Montfort Family: Montfort-l’Amaury took its name from Amaury, or Amalric (d. c. 1053), the builder of the castle there, whose father had been invested with the lordship by Hugh Capet. Amaury’s grandson Simon (d. 1181 or later) married Amicia, ultimately the heiress of the English earldom of Leicester, and it was through…

Amalric I was the king of Jerusalem from 1163 to 1174. He was a strong ruler who protected the rights of vassals and helped prevent Muslim unity around the Holy Land. Amalric, the son of King Fulk of Jerusalem, had been count of Jaffa and Ascalon before succeeding his elder brother Baldwin III on

Amalric II was the king of Cyprus (1194–1205) and of Jerusalem (1197–1205) who ably ruled the two separated kingdoms. Amalric had been constable of Palestine before he was summoned by the Franks in Cyprus to become king there after the death of his brother Guy of Lusignan. Amalric planned a close

César Vallejo: …Peru by publishing articles in Amauta, the journal founded by his friend José Carlos Mariátegui, founder of the Peruvian Communist Party.

education: The Incas: …respected encyclopaedic scholars known as amautas. After the completion of this education, the pupils were required to pass a series of rigorous examinations in order to attain full status in the life of the Inca nobility.

South Asian arts: Sinhalese literature: 10th century ad to 19th century: …rather than literary, is the Amāvatura (“Flood of the Ambrosia”), by Guruḷugōmī, which in 18 chapters purports to narrate the life of the Buddha, with specific emphasis on one of his nine virtues—his capacity to tame recalcitrant people or forces. In a similar vein is the literature of devotion and…

Leucas: The chief town, Levkás, lies at the northeastern corner, which in antiquity was separated by a marshy isthmus. It was formerly called Amaxíkhi or Santa Maura; the latter is also the Venetian name for the island. Most of the population inhabit the wooded east coast and its valleys.

Ramón Amaya Amador was a Honduran author known for his social novels, many of them historical in nature, and his politically charged nonfiction works. Amaya Amador grew up outside of the Standard Fruit Company’s banana plantations in his native department of Yoro. As an adult, he spent time as a

biblical literature: Amos: …of the shrine at Bethel, Amaziah, resented Amos’ incursion on his territory and told him to go back to his home in the south. In reply to Amaziah, Amos prophesied the bitter end of Amaziah’s family. Another vision in chapter 8, that of a basket of ripe fruit, pointed to…

Berber, any of the descendants of the pre-Arab inhabitants of North Africa. The Berbers live in scattered communities across Morocco, Algeria, Tunisia, Libya, Egypt, Mali, Niger, and Mauritania. They speak various Amazigh languages belonging to the Afro-Asiatic family related to ancient Egyptian.

Berber languages, family of languages in the Afro-Asiatic language phylum. As they are the most homogeneous division within Afro-Asiatic, the Berber languages have often been referred to as a single language in the past (especially in the tradition of French scholarship). Berber languages are

New York Mets, American professional baseball team based in Flushing, Queens, New York. The Mets have won two World Series championships (1969 and 1986) and five National League (NL) pennants. The Mets trace their roots to the proposed Continental League, whose formation was announced in 1959 by

Electronic Arts, Inc. (EA), American developer and manufacturer of electronic games for personal computers (PCs) and video game consoles. Established in 1982 by William M. (“Trip”) Hawkins, Electronic Arts (EA) has a product line that includes the popular franchises The Sims, Command & Conquer,

Michael Chabon: Chabon’s third novel, The Amazing Adventures of Kavalier and Clay (2000), was the sprawling tale of two Jewish cousins who, at the cusp of the comic book phenomenon that began in the mid-1930s, devise a superhero and shepherd him to fame in the pages of their own serial.…

William Steig: …Caldecott Honor in 1977 for The Amazing Bone (1976), a story of a pig who finds a talking bone on her way home from school. Mice were the central characters in Steig’s two Newbery Honor Books, Abel’s Island (1976) and Doctor De Soto (1982). His other self-illustrated publications include Amos…

John Huston: Early work: >The Amazing Dr. Clitterhouse (1938), and William Dieterle’s Juarez (1939) before directing his father in A Passage to Bali on Broadway in 1940.

Benedict Cumberbatch: Early life and career: …major film role was in Amazing Grace (2006), a historical treatment of politician William Wilberforce’s antislavery efforts, in which Cumberbatch played Prime Minister William Pitt the Younger.

common metre: The song “Amazing Grace” by John Newton is an example of common metre, as can be seen in the following verse:

Aretha Franklin: The documentary Amazing Grace, which chronicles her recording of the 1972 album, premiered in 2018.

Aretha Franklin: Amazing Grace (1972), a live recording of her performance with a choir at the New Temple Missionary Baptist Church in Los Angeles, is considered one of the great gospel albums of any era. By the late 1970s disco cramped Franklin’s style and eroded her popularity.…

mind reading: …Houdini, Joseph Dunninger, and the Amazing Kreskin.

George Meredith: Mature works. of George Meredith: The final novel, The Amazing Marriage (1895), repeats the theme of Lord Ormont—that a wife is free to leave a husband who does not recognize her as an equal.

Jerry Bruckheimer: …dramas and the reality series The Amazing Race—that brought the high production standards and intricate story lines of movies to the small screen. In 2005–06 he made television history as the first producer to have 10 shows air in a single season.

Spider-Man: Spider-Man in film and onstage: …The Amazing Spider-Man (2012) and The Amazing Spider-Man 2 (2014). Marvel, which had been purchased by the Walt Disney Company in 2009, developed its own successful franchise of superhero films under the banner of the “Marvel Cinematic Universe,” but existing licensing agreements precluded the use of Spider-Man. That impasse was…

Spider-Man: Spider-Man in film and onstage: …series underwent a “reboot” for The Amazing Spider-Man (2012) and The Amazing Spider-Man 2 (2014). Marvel, which had been purchased by the Walt Disney Company in 2009, developed its own successful franchise of superhero films under the banner of the “Marvel Cinematic Universe,” but existing licensing agreements precluded the use…

Spider-Man: Origins and development in the comics: …comic series that began with The Amazing Spider-Man (abbreviated ASM), vol. 1, no. 1, in March 1963. The eponymous character immediately became integral to the ever-burgeoning “Marvel universe” as well, interacting (and sometimes exchanging blows) with such mainstays as the Fantastic Four, that group’s Human Torch (another teen hero), Daredevil,…

Hugo Gernsback: In 1926 Gernsback began publishing Amazing Stories, one of the first magazines devoted exclusively to what he referred to as “scientifiction.” The stories were often crudely written, but the very existence of the magazine and its successors, including Wonder Stories, encouraged the development and refinement of the genre. His contribution…

New York Mets, American professional baseball team based in Flushing, Queens, New York. The Mets have won two World Series championships (1969 and 1986) and five National League (NL) pennants. The Mets trace their roots to the proposed Continental League, whose formation was announced in 1959 by

Benin: The kingdom of Dahomey: … female contingent (called the “Amazons” by Europeans). The king’s authority was buttressed by an elaborate cult of the deceased kings of the dynasty, who were honoured by the offering of human sacrifices at yearly public ceremonies (the “annual customs”). Its rulers succeeded in uniting the disparate communities which they…

Amazon, in Greek mythology, member of a race of women warriors. The story of the Amazons probably originated as a variant of a tale recurrent in many cultures, that of a distant land organized oppositely from one’s own. The ascribed habitat of the Amazons necessarily became more remote as Greek

psittaciform: lovebirds, amazons, macaws, and parrotlets (or parrolets), in addition to the lorikeets (including lories) as well as the kea and the kakapo of New Zealand. Members of the cockatoo

Amazon Alexa, virtual assistant program developed and sold by the e-commerce company Amazon. Users can interact with Alexa by speaking to any device programmed to include it. The program is most commonly found on smart speakers (e.g., the Amazon Echo), smart displays, television sets, and glasses

Amazon basin, the drainage basin of the Amazon River that covers about 34 percent of the land of South America (about 6,100,000 square km [roughly 2,300,000 square miles]) and is located in the center and eastern portions of the continent. The Amazon basin is the largest drainage basin in the

Amazon River: Exploration since 1900: The Amazon Cooperation Treaty, signed in Brasília in 1978 by representatives of all the basin’s countries, pledged the signatories to a coordinated development of the region on sound ecological principles. (In 1995 those countries created the Amazon Cooperation Treaty Organization to strengthen and better implement the…

Amazon Cooperation Treaty Organization (ACTO), international organization founded to promote the preservation of the Amazon basin and regulate Amazonian development through international cooperation. The Amazon Cooperation Treaty was drafted and signed on July 3, 1978, by Bolivia, Brazil, Colombia,

Amazon basin, the drainage basin of the Amazon River that covers about 34 percent of the land of South America (about 6,100,000 square km [roughly 2,300,000 square miles]) and is located in the center and eastern portions of the continent. The Amazon basin is the largest drainage basin in the

crowdsourcing: How crowdsourcing solves problems: One example is Amazon’s Mechanical Turk (MTurk), which allows organizations to outsource parts of tasks and projects. Crowdsourcing participants, referred to as crowdworkers, can earn money for tasks as varied as data validation and research to sorting images for machine learning and writing product descriptions.

Coral Triangle, large, roughly triangular-shaped marine region characterized by tremendous biodiversity and spanning approximately 6 million square km (2.3 million square miles) of the western Pacific Ocean. It is made up of the sea zones that touch the shores of Indonesia, Malaysia, the

psittaciform: lovebirds, amazons, macaws, and parrotlets (or parrolets), in addition to the lorikeets (including lories) as well as the kea and the kakapo of New Zealand. Members of the cockatoo

streaming: subscription services like Netflix and Amazon Prime.

Amazon Rainforest, large tropical rainforest occupying the drainage basin of the Amazon River and its tributaries in northern South America and covering an area of 2,300,000 square miles (6,000,000 square km). Comprising about 40 percent of Brazil’s total area, it is bounded by the Guiana Highlands

squirrel: Natural history: … (Rubrisciurus rubriventer) and the northern Amazon red squirrel (Sciurus igniventris), nest at middle levels but travel and forage low in the understory or on the ground. The African palm squirrels (genus Epixerus) are long-legged runners that forage only on the ground. Certain species, such as the red-tailed squirrel (S. granatensis)…

Amazon River, the greatest river of South America and the largest drainage system in the world in terms of the volume of its flow and the area of its basin. The total length of the river—as measured from the headwaters of the Ucayali-Apurímac river system in southern Peru—is at least 4,000 miles

Amazon basin, the drainage basin of the Amazon River that covers about 34 percent of the land of South America (about 6,100,000 square km [roughly 2,300,000 square miles]) and is located in the center and eastern portions of the continent. The Amazon basin is the largest drainage basin in the

river dolphin: The largest species is the Amazon river dolphin (Inia geoffrensis). Also called boto, bufeo, and pink dolphin, it is common in the turbid waters of the Amazon and Orinoco river basins. A male Amazon river dolphin can grow to over 2.4 metres (8 feet) and 160 kg (350 pounds); females…

arrau, large and somewhat flat freshwater turtle with a neck that does not retract but instead can be tucked to the side and concealed beneath the shell (see side-necked turtle). Of the several South American Podocnemis species, arrau generally refers to the largest, P. expansa of northern South

Amazon basin, the drainage basin of the Amazon River that covers about 34 percent of the land of South America (about 6,100,000 square km [roughly 2,300,000 square miles]) and is located in the center and eastern portions of the continent. The Amazon basin is the largest drainage basin in the

Amazon basin, the drainage basin of the Amazon River that covers about 34 percent of the land of South America (about 6,100,000 square km [roughly 2,300,000 square miles]) and is located in the center and eastern portions of the continent. The Amazon basin is the largest drainage basin in the

water lily: Major genera and species: The leaf margins of the Amazon, or royal, water lily (V. amazonica, formerly Victoria regia) and the Santa Cruz water lily (V. cruziana) have upturned edges, giving each thickly veined leaf the appearance of a large shallow pan 60 to 180 cm (about 2 to 6 feet) across and accounting…

Jeff Bezos: Amazon.com: …further in 2006 by introducing Amazon Web Services (AWS), a cloud-computing service that eventually became the largest such service in the world. In late 2007 Amazon released a new handheld reading device called the Kindle, a digital book reader with wireless Internet connectivity, enabling customers to purchase, download, read, and…

Romaine Goddard Brooks: Brooks’s portrait of Barney, The Amazon (c. 1920), is among her finest works and, like most of her portraits, is characterized by dark, muted colours and an image or symbol strongly associated with the particular subject: in this case, Barney, who was an expert horsewoman, is accompanied by a…

Amazon.com is a Seattle, Washington–based e-commerce and cloud computing giant whose humble beginnings can be traced to founder Jeff Bezos’s garage, where he began selling books on the still-emerging World Wide Web. Although the company is best known among consumers for its retail platform, a

psittaciform: lovebirds, amazons, macaws, and parrotlets (or parrolets), in addition to the lorikeets (including lories) as well as the kea and the kakapo of New Zealand. Members of the cockatoo

parrot: Common in aviaries is the blue-fronted Amazon (A. aestiva) of Brazil; it has a blue forehead, a yellow or blue crown, a yellow face, and red shoulders. The yellow-crowned parrot (A. ochrocephala) of Mexico, Central America, and from Ecuador to Brazil has some yellow on the head and neck, a…

parrot: The yellow-crowned parrot (A. ochrocephala) of Mexico, Central America, and from Ecuador to Brazil has some yellow on the head and neck, a red wing patch, and a yellow tail tip.

Amazonas, departamento, southeastern Colombia, located in the warm, humid Amazon River basin. It is bounded on the northwest by the Caquetá River, on the northeast by the Apaporis River, on the east by Brazil, and on the south by Peru and the Putumayo River. Colombia’s only direct contact with the

Amazonas, estado (state), southern Venezuela. It is bounded on the north by the state of Bolívar, on the east and south by Brazil, and on the west by Colombia. The large but sparsely populated state lies within the drainage basins of the Orinoco River, which rises near the Brazilian border, and the

Amazonas, largest estado (state) of Brazil, situated in the northwestern part of the country. It is bounded to the northwest by Colombia, to the north by Venezuela and the Brazilian state of Roraima, to the east and southeast by the Brazilian states of Pará and Mato Grosso, to the south by the

Amazon basin, the drainage basin of the Amazon River that covers about 34 percent of the land of South America (about 6,100,000 square km [roughly 2,300,000 square miles]) and is located in the center and eastern portions of the continent. The Amazon basin is the largest drainage basin in the

South America: The Precambrian: …old) are known in the Amazonia, Luis Alves, and São Francisco cratons, although precisely dated rock samples are scarce. Ages older than 3 billion years have been reported in the Imataca Complex of Venezuela and in the Xingu area of Brazil, both in the Amazonia craton. The oldest rocks found…

Amazonia National Park, Park, north-central Brazil, about halfway between the cities of Manaus and Belém, along the Tapajós River. Established in 1974, it has gradually expanded to cover about 3,300 sq mi (8,600 sq km) and contains an immense diversity of flora and

South American forest Indian, indigenous inhabitants of the tropical forests of South America. The tribal cultures of South America are so various that they cannot be adequately summarized in a brief space. The mosaic is baffling in its complexity: the cultures have interpenetrated one another as a

Amazon River: Animal life: …the giant sea cow, or manatee, is sought for its flesh and for oil. All are threatened by overhunting, and the manatee has been listed as an endangered species. Aquatic animals also include river dolphins (Inia geoffrensis); the semiaquatic capybara, the largest rodent in the world (weighing up to 170…

continental shield: …shield area is called the Amazonian Shield. It occupies much of the eastern bulge of the continent. Smaller areas of Precambrian rocks to the north and south of the Amazonian Shield are designated the Guiana and Platian shields, respectively.

Mars: Sparsely cratered plains: … (centered on 30° W longitude), Amazonis Planitia (160° W), and Utopia Planitia (250° W). The only significant relief in this huge area is a large ancient impact basin, informally called the Utopia basin (40° N, 250° W).