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Solar System

The Solar System is the gravitationally bound system of the Sun and the masses that orbit it, most prominently its eight planets, of which Earth is one. The Solar System is an isolated single-star planetary system (not part of a larger star system) within the Milky Way Galaxy. The system formed about 4.6 billion years ago when a dense region of a…

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Key facts & relationships

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Location
Local Interstellar Cloud · Local Bubble · Orion–Cygnus Arm · Milky Way
Age
4.568 billion years[b]
Distance to Galactic Center
24,000–28,000 ly
Frost line
~5 AU
Heliopause
detected at 120 AU
Hill sphere
178,000–227,000 AU (2.82–3.59 ly; 0.865–1.1 pc)

Topics to explore

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Overview

Definition

Formation and evolution

General characteristics

Sun

Inner Solar System

Outer Solar System

Trans-Neptunian region

Gravitationally unstable populations

Boundary region and uncertainties

Celestial neighborhood

Galactic position

Discovery and exploration

Advanced semantic analysis

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Map overview Semantic statistics

Solar System

Nodes447
Edges446
Triples443
Avg. degree2
Density0.004474
Components1

How this topic connects Entity context

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Solar System

Top relations

related to Outer planets · 65
Solar System → Adrastea, All, Amalthea, Ariel, As, At, AU, Callisto, Calypso, Dione, Earth, Enceladus, Europa, Ganymede, Great Red Spot, Helene, Hyperion, Iapetus, Icy, Inner
related to Inner planets · 28
Solar System → At, AU, Deimos, During, Earth, Earth's, However, In, It, Its, Large, Like Phobos, Mars, Mars's, Martian, Mercury, Moon, Most, Phobos, Phobos's
related to Discovery and exploration · 24
Solar System → Although, Aristarchus, Copernicus, Earth, Europe, Greek, Heliocentrism, Humanity's, India, Jeremiah Horrocks, Johannes Kepler, Kepler, Kepler's, Late Middle Ages, Mercury, Nicolaus Copernicus, Pierre Gassendi, Renaissance, Rudolphine Tables, Samos
related to Asteroids · 23
Solar System → As, Asteroids, At, AU, Ceres, Earth, Earth's, It, Many, Mars, Mars-crossing, Mercury, Mercury-crossing, NASA, Near-Earth, No, Some, Sun, There, They
related to Comets · 15
Solar System → Bopp, Comets, Hale, Kreutz, Kuiper, Long-period, Many, Old, Oort, Pluto, Short-period, Some, Sun, They, When
related to Galactic position · 15
Solar System → Cygnus Arm, Hercules, It, Its, Local Spur, Milky Way, Milky Way's, Orion, Solar System's, Sun's, The, The Solar System, The Sun, This, Vega
related to Extreme trans-Neptunian objects · 14
Solar System → As, AU, ETNOs, For, Generally, Leleākūhonua, Neptune, Neptunian, Oort, Some, Sun, The, These, This
related to Kuiper belt · 14
Solar System → Albion, AU, Earth, It, Kuiper, Many Kuiper, Members, Neptune, Neptunian, QB1, Sun, The, The Kuiper, There
related to Orbits · 14
Solar System → All, As, Earth's, Halley's Comet, Jupiter, Most, Neptune's, Smaller, Sun, That, The, There, Triton, Venus
related to Comparison with extrasolar systems · 13
Solar System → Analysis, Compared, Earth, Earths, In, Kepler, Mercury, Milky Way, Planet Nine, Similar, Sun, The, The Solar System

Important terminology Word statistics

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Important terminology

system solar sun planets objects au orbit earth orbits belt jupiter neptune surface satellites known planet bodies cloud moon kuiper

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Solar SystemAge4.568 billion years[b]1.00infobox
Solar SystemDistance to Galactic Center24,000–28,000 ly1.00infobox
Solar SystemFrost line~5 AU1.00infobox
Solar SystemHeliopausedetected at 120 AU1.00infobox
Solar SystemHill sphere178,000–227,000 AU (2.82–3.59 ly; 0.865–1.1 pc)1.00infobox
Solar SystemInvariable-to-galactic plane inclination~60°, to the ecliptic[c]1.00infobox
Solar SystemKnown comets4,629[D 4]1.00infobox
Solar SystemKnown dwarf planetsCeres1.00infobox
Solar SystemKnown dwarf planetsOrcus1.00infobox
Solar SystemKnown dwarf planetsPluto1.00infobox
Solar SystemKnown dwarf planetsHaumea1.00infobox
Solar SystemKnown dwarf planetsQuaoar1.00infobox
Solar SystemKnown dwarf planetsMakemake1.00infobox
Solar SystemKnown dwarf planetsGonggong1.00infobox
Solar SystemKnown dwarf planetsEris1.00infobox
Solar SystemKnown dwarf planetsSedna1.00infobox
Solar SystemKnown dwarf planetsmore candidates...1.00infobox
Solar SystemKnown minor planets1,462,402[D 4]1.00infobox
Solar SystemKnown natural satellites758[D 3]1.00infobox
Solar SystemKuiper cliff50–70 AU1.00infobox
Solar SystemLocationLocal Interstellar Cloud1.00infobox
Solar SystemLocationLocal Bubble1.00infobox
Solar SystemLocationOrion–Cygnus Arm1.00infobox
Solar SystemLocationMilky Way1.00infobox
Solar SystemNearest starProxima Centauri1.00infobox
Solar SystemNearest star(4.2465 ly)[D 1]1.00infobox
Solar SystemNearest starAlpha Centauri1.00infobox
Solar SystemNearest star(4.36 ly)[D 2]1.00infobox
Solar SystemOrbital period~230 million years1.00infobox
Solar SystemOrbital speed720,000 km/h (450,000 mi/h)1.00infobox

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