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Internet Search Results
Sun - Wikipedia
The Sun is the star at the centre of the Solar System. It is a massive, nearly perfect sphere of hot plasma, heated to incandescence by nuclear fusion reactions in its core, radiating the energy from its surface mainly as visible light and infrared radiation with 10% at ultraviolet energies. It is the main source of energy for life on Earth. The Sun has been an object of veneration in many ...
Sun: Facts - NASA Science
The Sun doesn’t have moons, but it’s orbited by eight planets, at least five dwarf planets, tens of thousands of asteroids, and perhaps three trillion comets and icy bodies.
Sun | Definition, Composition, Properties, Temperature ...
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. The Sun is the source of an enormous amount of energy, a portion of which provides Earth with the light and heat necessary to support life.
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.
The Sun, our Solar System’s star | The Planetary Society
The Sun is the engine behind much of Earth’s environment, providing energy for everything from ocean currents and weather patterns to the plants and algae that form the base of many food chains.
Our solar system: The sun information and facts | National ...
Learn more about the life-giving star at the center of our solar system. Compared with the billions of other stars in the universe, the sun is unremarkable. But for Earth and the other planets...
Meet the Sun - Center for Science Education
The Sun is the closest star to Earth and is the center of our solar system. Learn about fun Sun facts.
The Sun: Facts, size, and fate of Earth’s blazing star
The Sun is a dynamic and complex star that plays a critical role in our daily lives. It’s a massive, incredibly hot ball of gas that’s been burning bright for billions of years.
The Sun Today with C. Alex Young, Ph.D. - Space Weather ...
The sun is a window into our universe! Learn more about the sun, the heliosphere, space weather, solar missions, eclipses, and related science.
The Sun: Our Home Star - timeanddate.com
Our Sun is a G-type star. Its color is white, although it tends to appear yellow or red when seen through the filter of Earth ’s atmosphere. G-type stars spend about 10 billion years converting hydrogen to helium. Astronomers call this the main-sequence stage of a star’s life.
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