- The Sun: Local News, Sports and Things to Do
SBSun com covers local news from San Bernardino County, CA, California and national news, sports, things to do, and business in the Inland Empire
- 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
- Our Sun: Facts - Science@NASA
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 kilometers) from Earth and it’s our solar system’s only star Without the Sun’s energy, life as we know it could not exist on our home planet
- The sun: Facts about the bright star at the center of the solar system . . .
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 depends on
- Meet the Sun - Center for Science Education
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 forms of energy, including ultraviolet, infrared, and light energy, out into space Light and heat energy from the Sun warm our planet and make life possible
- The Sun, our Solar System’s star | The Planetary Society
Empowering the world's citizens to advance space science and exploration The Sun is a gigantic, roiling ball of plasma Nuclear fusion in its core produces heat and light, ultimately powering life as we know it on Earth Solar storms frequently launch plasma and radiation into the Solar System
- The Sun By the Numbers - NASA Solar System Exploration
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
- Sun Fact Sheet - NSSDCA
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 photosphere: 4400 K Temperature at bottom of photosphere: 6600 K Temperature at top of chromosphere: ~30,000 K Photosphere thickness: ~500 km Chromosphere thickness: ~2500 km Sun Spot Cycle: 11 4 yr Photosphere
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