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Sun

The Sun is the star located at the centre of the Solar System. It is a massive 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. It is the main source of energy for life on Earth. The Sun has been an…

Characters, History, Geography & Art

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Absolute magnitude
4.83
Adjectives
Solar
Age
4.6 billion years
Angular size
0.527°–0.545°
Average density
1.408 g/cm3 0.255 × Earth density
Colour (B-V)
0.656

Topics to explore

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Overview

Etymology

General characteristics

Structure

Light, radiation, and observation

Magnetic activity

Life phases

Gravitational domain and influence

Overall location

Observational history

Religious aspects

Advanced semantic analysis

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Map overview Semantic statistics

Sun

Nodes464
Edges463
Triples464
Avg. degree2
Density0.00431
Components1

How this topic connects Entity context

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Sun

Top relations

related to Etymology · 33
Sun → All, Bavarian Sunna, Cognates, Czech, Danish, Dutch, English, From, Germanic, Gothic, Greek, Helios, Icelandic, In English, Indeed, Indo-European, Latin, Low German Sünn, Mars, Old English
related to Religious aspects · 27
Sun → Aztecs, Chichén Itzá, East Semitic, Egypt, Egyptians, El Castillo, England, In Hinduism, Inca, Ireland, Later, Malta, Many, Mexico, Mnajdra, Nabta Playa, Newgrange, Sanskrit, Shamash, Solar
related to Further reading · 25
Sun → Archived, Astronomy, August, Bibcode, Chasing, Cohen, Geophysics, Helioseismology, Hudson, Hugh, ISBN, ISSN, Michael, New York, NY, October, Random House, Retrieved, Richard, Scholarpedia
related to Gravitational domain and influence · 20
Sun → At, Earth, Earth's, In, January, July, Jupiter, Mars, Mercury, Neptune, One, Saturn, Six, Sun's, The, The Solar System, The Sun, This, Uranus, Venus
see also · 20
Sun → Advanced Composition Explorer, Arc-like, Astronomy, Diagrammatic, Earth Day, EarthList, ESA, Explorer, NASA, Natural, Paradox, Point, Scientific, SE-L1, Sun's, SunFaint, SunSolar, SunSun, System, Telescope
related to Development of scientific understanding · 17
Sun → AD, Averroes, Battani's, BC, Chinese, Earth, Earth's, Galileo, Galileo Galilei, Han, Ibn Yunus, In, Medieval Islamic, Observations, Sun's, The, Thomas Harriot
related to Solar space missions · 16
Sun → Apollo Telescope Mount, Discoveries, Earth, German, Helios, In, May, Mercury's, NASA, Pioneer, Skylab, Skylab Apollo Telescope Mount, The, The Helios, The Skylab, These
related to Early understanding · 15
Sun → AD, Anaxagoras, AU, Babylonian, BC, Earth, Eratosthenes, Greek, He, In, Moon, One, Peloponnesus, Ptolemy, Sun's
related to External links · 15
Sun → Archived, Astronomy Cast, Decade, December, Goddard Space Flight Center, June, May, November, The Future, The Sun Archived, The Sun In Ultra-HD, Thermonuclear Art, Wayback Machine, Wayback MachineAnimation, Wayback MachineSatellite
related to Galactic motion · 14
Sun → As, At, Compare, Earth, Eridanus Superbubble, In, Local Bubble, Orion, Solar, Solar System, Sun's, The, The Sun, Vega

Important terminology Word statistics

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Important terminology

solar sun's earth core energy years photosphere helium 000 mass hydrogen corona surface around billion system magnetic fusion field within

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
SunAbsolute magnitude4.831.00infobox
SunAdjectivesSolar1.00infobox
SunAge4.6 billion years1.00infobox
SunAngular size0.527°–0.545°1.00infobox
SunAverage density1.408 g/cm3 0.255 × Earth density1.00infobox
SunColour (B-V)0.6561.00infobox
SunDeclination of North pole+63.87° (63° 52′ 12"N)1.00infobox
SunEquatorial radius695,500 km 109 × Earth radius1.00infobox
SunEquatorial rotation velocity1.997 km/s1.00infobox
SunEquatorial surface gravity274 m/s2 27.9 g01.00infobox
SunFlattening0.000051.00infobox
SunGalactic period225–250 million years1.00infobox
SunLuminosity3.828×1026 W1.00infobox
SunLuminosity3.75×1028 lm1.00infobox
SunLuminosity98 lm/W efficacy1.00infobox
SunLuminosity2.99×1027 cd1.00infobox
SunLuminosity6.17×109 lm/m²1.00infobox
SunMass(1.988475±0.000092)×1030 kg1.00infobox
SunMass332,950 × Earth mass1.00infobox
SunMean distance from Earth1 au 149,600,000 km 8 min 19 s, light speed1.00infobox
SunMean distance from Milky Way core24,000 to 28,000 light-years1.00infobox
SunMean radiance2.009×107 W·m−2·sr−11.00infobox
SunMetallicityZ = 0.0165±0.00101.00infobox
SunMoment of inertia factor~ 0.0591.00infobox
SunNamesSun, Sol, Sól, Helios1.00infobox
SunObliquity7.25° (ecliptic)1.00infobox
SunObliquity67.23° (galactic plane)1.00infobox
SunPhotosphere composition by mass73.46% hydrogen1.00infobox
SunPhotosphere composition by mass24.85% helium1.00infobox
SunPhotosphere composition by mass0.77% oxygen1.00infobox

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