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The Sun is the star at the center 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.
- Solar System - Wikipedia
The Solar System is the gravitationally bound system of the...
- Sun - Simple English Wikipedia, the free encyclopedia
The Sun, also known as Sol, is a star at the center of the...
- Solar System - Wikipedia
Proeminência solar. Vídeo obtido pela Solar Dynamics Observatory de 24 horas de atividade em 25 de setembro de 2011. O Sol, tal como outras estrelas, é uma esfera de plasma que se encontra em equilíbrio hidrostático entre as duas forças principais que agem em seu interior.
2 de fev. de 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 climate, and makes plant life possible through photosynthesis. Without the sun’s heat and light, life on Earth would not exist.
Learn about the Sun, the star at the center of our solar system, from NASA. Find out its size, temperature, age, features, and how it affects Earth and other planets.
Learn about the Sun, the star at the heart of our solar system, and its connection and interactions with Earth. Explore the Sun's 3D world, past and future missions, eclipse safety, and pop culture references.
18 de out. de 2023 · Learn about the Sun, our closest star, and its composition, temperature, age, size, and future. Find out how it affects Earth and what happens during a solar eclipse.
