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Araxá vs. Sun - Comparison of sizes
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Araxá
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Araxá vs Sun

Araxá
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Araxá

StateMinas Gerais

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Brazil
Capital
Population 95888
Postcode38183244

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The Kingdom of Armenia, also the Kingdom of Greater Armenia, or simply Greater Armenia (Armenian: Մեծ Հայք Mets Hayk; Latin: Armenia Maior), sometimes referred to as the Armenian Empire, was a monarchy in the Ancient Near East which existed from 321 BC to 428 AD. Its history is divided into successive reigns by three royal dynasties: Orontid (321 BC–200 BC), Artaxiad (189 BC–12 AD) and Arsacid (52–428).The root of the kingdom lies in one of the satrapies of the Achaemenid Empire of Persia called Armenia (Satrapy of Armenia), which was formed from the territory of the Kingdom of Ararat (860 BC–590 BC) after it was conquered by the Median Empire in 590 BC. The satrapy became a kingdom in 321 BC during the reign of the Orontid dynasty after the conquest of Persia by Alexander the Great, which was then incorporated as one of the Hellenistic kingdoms of the Seleucid Empire. Under the Seleucid Empire (312–63 BC), the Armenian throne was divided in two – Armenia Maior and Sophene – both of which passed to members of the Artaxiad dynasty in 189 BC. During the Roman Republic's eastern expansion, the Kingdom of Armenia, under Tigranes the Great, reached its peak, from 83 to 69 BC, after it reincorporated Sophene and conquered the remaining territories of the falling Seleucid Empire, effectively ending its existence and raising Armenia into an empire for a brief period, until it was itself conquered by Rome in 69 BC.



The remaining Artaxiad kings ruled as clients of Rome until they were overthrown in 12 AD due to their possible allegiance to Rome's main rival in the region, Parthia. During the Roman–Parthian Wars, the Arsacid dynasty of Armenia was founded when Tiridates I, a member of the Parthian Arsacid dynasty, was proclaimed King of Armenia in 52. Throughout most of its history during this period, Armenia was heavily contested between Rome and Parthia, and the Armenian nobility was divided among pro-Roman, pro-Parthian or neutrals. From 114 to 118, Armenia briefly became a province of the Roman Empire under Emperor Trajan. The Kingdom of Armenia often served as a client state or vassal at the frontier of the two large empires and their successors, the Byzantine and Sassanid empires. In 301, Tiridates III proclaimed Christianity as the state religion of Armenia, making the Armenian kingdom the first state to embrace Christianity officially. During the Byzantine–Sasanian wars, Armenia was ultimately partitioned into Byzantine Armenia in 387 and Persian Armenia in 428.

Source: Wikipedia
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Sun

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The Sun is the star at the center of the Solar System. It is a nearly perfect sphere of hot plasma, heated to incandescence by nuclear fusion reactions in its core, radiating the energy mainly as light and infrared radiation. It is by far the most important source of energy for life on Earth. Its diameter is about 1.39 million kilometres (864,000 miles), or 109 times that of Earth, and its mass is about 330,000 times that of Earth. It accounts for about 99.86% of the total mass of the Solar System. Roughly three quarters of the Sun's mass consists of hydrogen (~73%); the rest is mostly helium (~25%), with much smaller quantities of heavier elements, including oxygen, carbon, neon, and iron.The Sun is a G-type main-sequence star (G2V) based on its spectral class. As such, it is informally and not completely accurately referred to as a yellow dwarf (its light is closer to white than yellow). It formed approximately 4.6 billion years ago from the gravitational collapse of matter within a region of a large molecular cloud. Most of this matter gathered in the center, whereas the rest flattened into an orbiting disk that became the Solar System. The central mass became so hot and dense that it eventually initiated nuclear fusion in its core. It is thought that almost all stars form by this process.



In its core the Sun currently fuses about 600 million tons of hydrogen into helium every second, converting 4 million tons of matter into energy every second as a result. This energy, which can take between 10,000 and 170,000 years to escape the core, is the source of the Sun's light and heat. When hydrogen fusion in its core has diminished to the point at which the Sun is no longer in hydrostatic equilibrium, its core will undergo a marked increase in density and temperature while its outer layers expand, eventually transforming the Sun into a red giant. It is calculated that the Sun will become sufficiently large to engulf the current orbits of Mercury and Venus, and render Earth uninhabitable – but not for about five billion years. After this, it will shed its outer layers and become a dense type of cooling star known as a white dwarf, and no longer produce energy by fusion, but still glow and give off heat from its previous fusion. The enormous effect of the Sun on Earth has been recognized since prehistoric times. The Sun has been regarded by some cultures as a deity. The synodic rotation of Earth and its orbit around the Sun are the basis of solar calendars, one of which is the predominant calendar in use today.

Source: Wikipedia

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