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  1. www.nasa.gov › image-article › anatomy-of-sunAnatomy of the Sun - NASA

    Jan 23, 2013 · The Chromosphere – This relatively thin layer of the Sun is sculpted by magnetic field lines that restrain the electrically charged solar plasma. Occasionally larger plasma features, called prominences, form and extend far into the very tenuous and hot corona, sometimes ejecting material away from the Sun. The Corona – The ionized elements ...

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  3. Oct 19, 2023 · The sun is the closest star to Earth. Even at a distance of 150 million kilometers (93 million miles), its gravitational pull holds the planet in orbit. It radiates light and heat, or solar energy, which makes it possible for life to exist on Earth. Plants need sunlight to grow.

  4. Jun 27, 2019 · The Short Answer: 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 ...

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  6. The sun is the real star of the show—literally! The closest star to Earth, it’s the source of all the heat and light that makes flowers bloom, songbirds croon, and sunbathers swoon. Life wouldn’t exist without it. It's also the center of our solar system and by far its largest object. More than a million Earths would fit inside the sun!

  7. The sun keeps the planets in its orbit with a tremendous gravitational force. What would happen if it disappeared entirely? Learn about the star at the cente...

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