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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. It has an absolute magnitude of +4.83, estimated to be brighter than about 85% of the stars in the Milky Way, most of which are red dwarfs. The Sun is a Population I, or heavy-element-rich, star.
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.
2 de feb. 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.
9 de jun. de 2021 · Read about the history and future of Earth’s sun as well as fun facts about the sun’s age, size, temperature, and phenomena like solar flares.
15 de sept. de 2018 · Learn about the sun's characteristics, life cycle, and effects on Earth and the solar system. Find out how the sun produces energy, light, heat, and space weather, and what will happen when it dies.
Hace 1 día · 2. The sun is 20.5 years old. An Earth year is one revolution of the Earth around the sun. And in Earth years, the sun is about 4.57 billion years old. By contrast, a galactic year is how long it ...