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1. www.space.com › 17001-how-big-is-the-sun-size-ofHow big is the sun? | Space

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   Jan 21, 2022 · Learn about the sun's size, mass, volume and how it compares to other stars. Find out how the sun will change in the future and why it is a yellow dwarf.

2. science.nasa.gov › sun › factsOur Sun: Facts - Science@NASA

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   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.

3. Videos

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     How big is the Sun compared to Earth?

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     How Big is the Sun? | Size of the Sun

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     How Big Is The Sun?

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4. en.wikipedia.org › wiki › SunSun - Wikipedia

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   The Sun is the star at the center of the ... The hydrogen and most of the helium in the Sun would have been produced by Big Bang nucleosynthesis in the first 20 ...

5. nineplanets.org › questions › how-big-is-the-sunHow Big is the Sun? | Comparisons, What Is Bigger, Facts

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   Sep 29, 2020 · The Sun is the biggest object in the Solar System, with a diameter of 1.39 million km and a mass of 330,000 Earths. Learn how the Sun compares to other planets and stars, what it is made of, and how it will become a red giant in 5 billion years.

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6. People also ask

   How big is the Sun?

   • The sun is nearly a perfect sphere. Its equatorial diameter and its polar diameter differ by only 6.2 miles (10 km). The mean radius of the sun is 432,450 miles (696,000 kilometers), which makes its diameter about 864,938 miles (1.392 million km). You could line up 109 Earths across the face of the sun, according to NASA.

   How Big is the Sun? | Size of the Sun - Space.com

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   How hot is the Sun?

   • The temperature in the Sun's core is about 27 million degrees Fahrenheit (15 million degrees Celsius) – hot enough to sustain nuclear fusion. This creates outward pressure that supports the star's gigantic mass, keeping it from collapsing. From our vantage point on Earth, the Sun may appear like an unchanging source of light and heat in the sky.

   Our Sun: Facts - Science@NASA

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   Is our Sun a big star?

   • Our Sun is an average sized star: there are smaller stars and larger stars, even up to 100 times larger. Many other solar systems have multiple suns, while ours just has one. Our Sun is 864,000 miles in diameter and 10,000 degrees Fahrenheit on the surface. Our Sun is a bright, hot ball of hydrogen and helium at the center of our solar system.

   How Does Our Sun Compare With Other Stars? - NASA Space Place

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   How far is the Sun from Earth?

   • The Sun orbits the Galactic Center at a distance of 24,000 to 28,000 light-years. From Earth, it is 1 astronomical unit (1.496 × 108 km) or about 8 light-minutes away. Its diameter is about 1,391,400 km (864,600 mi), 109 times that of Earth. Its mass is about 330,000 times that of Earth, making up about 99.86% of the total mass of the Solar System.

   Sun - Wikipedia

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   How big is the Sun compared to other stars?

   • With a diameter of some 864,000 miles (1.39 million km), the Sun dwarfs any other object in our solar system. In fact, you could fit about 1.3 million Earths inside it. However, despite its dominance over our solar system, the Sun is still a relatively diminutive star when compared to others in the known universe.

   The Sun: Facts, size, and fate of Earth’s blazing star

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   How old is the Sun?

   • A quick guide to our Sun, a star about 4.6 billion years old and the center of our solar system. A composite image of the Sun. Credit: NASA/Wikimedia Commons. 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 of our food.

   The Sun: Facts, size, and fate of Earth’s blazing star

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7. starlust.org › how-big-is-the-sunHow big is the sun? Facts & size comparison - StarLust

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   Feb 14, 2022 · Learn how the sun's size is measured, how it affects the solar system, and how it compares to the planets and the largest stars. See examples, diagrams, and calculations of the sun's diameter and volume.

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8. www.astronomy.com › science › the-sun-facts-size-andThe Sun: Facts, size, and fate of Earth’s blazing star

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   Oct 18, 2023 · How big is the Sun? With a diameter of some 864,000 miles (1.39 million km), the Sun dwarfs any other object in our solar system. In fact, you could fit about 1.3 million Earths inside it.

9. spaceplace.nasa.gov › sun-compare › enHow Does Our Sun Compare With Other Stars? - NASA Space Place

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   Jun 27, 2019 · Learn how big our Sun is in diameter and temperature, and how it compares to other stars in the galaxy and the universe. Find out why our Sun is special and unique among solar systems.