- 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 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
- 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
- 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 - Evolution, Structure, Radiation | Britannica
Sun - Evolution, Structure, Radiation: The Sun has been shining for 4 6 billion years Considerable hydrogen has been converted to helium in the core, where the burning is most rapid
- 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
- 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
- In Depth | Sun – NASA Solar System Exploration
Without the Sun’s energy, life as we know it could not exist on our home planet From our vantage point on Earth, the Sun may appear like an unchanging source of light and heat in the sky But the Sun is a dynamic star, constantly changing and sending energy out into space
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