
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 …
Sun: Facts - NASA Science
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 …
Sun | Definition, Composition, Properties, Temperature, & Facts ...
5 days ago · 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.
Sun - National Geographic Society
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, …
After Spectacular Auroras, What to Know about the Sun and Its …
4 days ago · The sun’s current 11-year activity cycle has already peaked—but extreme outbursts from our star may still be in store
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 …
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
Oct 18, 2023 · 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.
How the Sun Works - HowStuffWorks
Aug 23, 2023 · The sun warms our planet every day, provides the light by which we see and is necessary for life on Earth. Learn about the sun.