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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 …

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.

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May 20, 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.

Feb 2, 2024 · The sun is an ordinary star, one of about 100 billion in our galaxy, the Milky Way. The sun has extremely important influences on our planet: It drives weather, ocean currents, seasons, and …

Nov 17, 2025 · A clear guide to the Sun’s age, life cycle, and eventual fate. Learn how scientists measure its age and what will happen when the Sun reaches its final stages.

Jan 5, 2018 · The sun keeps the planets in its orbit with a tremendous gravitational force. What would happen if it disappeared entirely? Learn about the star at the cente...

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The Sun is the closest star to Earth and is the center of our solar system. Learn about fun Sun facts.