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Sun - Wikipedia
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.
Sun - NASA Science
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
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, & Facts ...
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.
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Solar System - Wikipedia
The system formed about 4.6 billion years ago when a dense region of a molecular cloud collapsed, creating the Sun and a protoplanetary disc from which the orbiting bodies assembled. The Sun accounts for 99.86% of the Solar System's total mass.
Sun - National Geographic Society
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 climate, and makes plant life possible through photosynthesis.
Sun 101 | National Geographic - YouTube
Learn about the star at the center of our solar system, and how it is critical to all life as we know it. The sun keeps the planets in its orbit with a tremendous gravitational force. What would...
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