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 …

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Apr 22, 2025 · Our Sun is a 4.5 billion-year-old yellow dwarf star – a hot glowing ball of hydrogen and helium – at the center of our solar system. It’s about 93 million miles (150 million …

Jun 6, 2025 · The sun is the star at the center of our solar system.It's the largest, brightest and most massive object in the solar system, and it provides the light and heat that life on Earth …

Oct 18, 2023 · Gazing up at the clear blue sky, our eyes are often drawn to the Sun, that magnificent burning orb that illuminates our days, warms our planet, and supports the growth …

Jun 12, 2025 · Life on Earth depends on the Sun. Here are just a few reasons why: The Sun’s gravity holds our entire solar system together. Our solar system is even named after the Sun …

Like other stars, the Sun is a dense ball of gas that creates energy through nuclear fusion reactions in the core, creating helium atoms from hydrogen atoms. The Sun radiates different …

Solar Atmosphere Surface Gas Pressure (top of photosphere): 0.868 mb Pressure at bottom of photosphere (optical depth = 1): 125 mb Effective temperature: 5772 K Temperature at top of …

Jun 5, 2025 · 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 – …

Sun with sunspots and limb darkening as seen in visible light with solar filter. The Sun, also known as Sol, is a star at the center of the solar system. It is a white star that gives off different types …