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The Sun is the star at the center of the Solar System.It is a massive, nearly perfect sphere of hot plasma, heated to incandescence by nuclear fusion reactions in its core, radiating the energy from its surface mainly as visible light and infrared radiation with 10% at ultraviolet energies.
The Solar System [d] is the gravitationally bound system of the Sun and the objects that orbit it. [11] It formed about 4.6 billion years ago when a dense region of a molecular cloud collapsed, forming the Sun and a protoplanetary disc.
Two sun dogs often flank the Sun within a 22° halo. The sun dog is a member of the family of halos caused by the refraction of sunlight by ice crystals in the atmosphere. Sun dogs typically appear as a pair of subtly colored patches of light, around 22° to the left and right of the Sun, and at the same altitude above the horizon as the Sun ...
The core of the Sun is considered to extend from the center to about 0.2 of the solar radius (139,000 km; 86,000 mi). [1] It is the hottest part of the Sun and of the Solar System . It has a density of 150,000 kg/m 3 (150 g/cm 3 ) at the center, and a temperature of 15 million kelvins (15 million degrees Celsius; 27 million degrees Fahrenheit).
The Temple of the Sun is an example of the Palencan architectural style, the structure is a stepped pyramidal base with a three-entrance temple at the top. The temple's interior is made up of three rooms divided by walls with a main chamber with a large stone panel known as the Tablet of the Sun with iconography related to the sun god. [4]
Sun|trek website An educational resource for teachers and students about the Sun and its effect on the Earth; Tools to display the current sunspot number in a browser Propfire – displays current sunspot number in browser status bar; HamLinks Toolbar – displays solar flux, A Index and K Index data in a toolbar; The Sharpest View of the Sun
The Sun is a British tabloid newspaper, published by the News Group Newspapers division of News UK, itself a wholly owned subsidiary of Lachlan Murdoch's News Corp. [9] [10] It was founded as a broadsheet in 1964 as a successor to the Daily Herald, and became a tabloid in 1969 after it was purchased by its current owner. [11]
The path of the Sun on the celestial sphere is called the ecliptic. The ecliptic passes through the twelve constellations of the zodiac in the course of a year. Bowstring sundial in Singapore Botanic Gardens. The design shows that Singapore is located almost at the equator. This model of the Sun's motion helps to understand sundials.