Sun - Wikipedia

https://en.wikipedia.org/wiki/Sun
The Sun is a G-type main-sequence star that makes up about 99.86% of the mass of the Solar System. [31] The Sun is classed as a G2 star, [32] meaning it is a G-type star, with 2 indicating its surface temperature is in the second range of the G class.

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Sun - NASA Science

https://science.nasa.gov/sun/
May 21, 2026 · The Sun is the star at the heart of our solar system. Its gravity holds the solar system together, keeping everything — from the biggest planets to the smallest bits of debris — in its orbit.

Sun: Facts - NASA Science

https://science.nasa.gov/sun/facts/
Apr 22, 2025 · The Sun is about 100 times wider than Earth and about 10 times wider than Jupiter, the biggest planet. The Sun is the only star in our solar system. It is the center of our solar system, and its gravity holds the solar system together. Everything in our solar system revolves around it – the planets, asteroids, comets, and tiny bits of space ...

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Sun | Definition, Composition, Properties, Temperature ...

https://www.britannica.com/place/Sun
Jul 28, 2026 · Sun, star around which Earth and the other components of the solar system revolve. It is the dominant body of the system, constituting more than 99 percent of its entire mass.