Solar System
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| + | The '''Solar System''' is the [[Gravity|gravitationally]] bound system of the [[Sun]] and the objects that orbit it. It was [[Formation and evolution of the Solar System|formed 4.6 billion years ago]] when a dense region of a [[molecular cloud]] collapsed, forming the Sun and a [[protoplanetary disc]]. The Sun is a main-sequence [[star]], where [[hydrogen]] in its [[stellar core|core]] is [[Nuclear fusion|fused]] into [[helium]]. Most of fusion energy is released into space as [[electromagnetic radiation]] ([[light]]) and [[Neutrino|neutrinos]]. | ||
| ==See also== | ==See also== | ||
| * [[Astronomical symbols]] | * [[Astronomical symbols]] | ||
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The Solar System is the gravitationally bound system of the Sun and the objects that orbit it. It was formed 4.6 billion years ago when a dense region of a molecular cloud collapsed, forming the Sun and a protoplanetary disc. The Sun is a main-sequence star, where hydrogen in its core is fused into helium. Most of fusion energy is released into space as electromagnetic radiation (light) and neutrinos.
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See also
- Astronomical symbols
- List of geological features of the Solar System
- Numerical model of the Solar System
- Orrery, mechanical models of Solar System
- Planetary mnemonic
- Solar System in fiction
- Solar System model
Unless indicated otherwise, the text in this article is either based on Wikipedia article "Solar System" or another language Wikipedia page thereof used under the terms of the GNU Free Documentation License; or on research by Jahsonic and friends. See Art and Popular Culture's copyright notice.
