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   What is the surface of the Sun called?

   • The surface of the Sun is called the photosphere, a term which means “sphere of light.” The glowing ball of light that you see in the sky is the photosphere. The surface of the Sun is the only part that we can see from Earth on a typical day, without use of specialized equipment.

   The Surface of the Sun - Center for Science Education

   scied.ucar.edu/learning-zone/sun-space-weather/surface-of-the-sun

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   Does the Sun have a surface?

   • Photosphere, visible surface of the Sun, from which is emitted most of the Sun’s light that reaches Earth directly. Since the Sun is so far away, the edge of the photosphere appears sharp to the naked eye, but in reality the Sun has no surface, since it is too hot for matter to exist in anything

   Sun’s Surface, Solar Radiation & Solar Flares - Britannica

   www.britannica.com/science/photosphere

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   What part of the Sun do we see from Earth?

   • The part of the Sun we see from Earth – the part we call the surface – is the photosphere. The Sun doesn’t actually have a solid surface because it’s a ball of plasma. Above the Sun’s surface are its thin chromosphere and the huge corona (crown). This is where we see features such as solar prominences, flares, and coronal mass ejections.

   Our Sun: Facts - Science@NASA

   science.nasa.gov/sun/facts/

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   Is the photosphere a solid surface?

   • Click on image for larger version. The photosphere is the visible surface of the Sun that we are most familiar with. Since the Sun is a ball of gas, this is not a solid surface but is actually a layer about 100 km thick (very, very, thin compared to the 700,000 km radius of the Sun).

   NASA/Marshall Solar Physics

   solarscience.msfc.nasa.gov/surface.shtml

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   What is the hottest part of the Sun?

   • The hottest part of the Sun is its core, where temperatures top 27 million °F (15 million °C). The part of the Sun we call its surface – the photosphere – is a relatively cool 10,000 °F (5,500 °C). In one of the Sun’s biggest mysteries, the Sun’s outer atmosphere, the corona, gets hotter the farther it stretches from the surface.

   Our Sun: Facts - Science@NASA

   science.nasa.gov/sun/facts/

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   Why is the Sun called the Sun?

   • The Sun has been called by many names. The Latin word for Sun is “sol,” which is the main adjective for all things Sun-related: solar. Helios, the Sun god in ancient Greek mythology, lends his name to many Sun-related terms as well, such as heliosphere and helioseismology.

   Our Sun: Facts - Science@NASA

   science.nasa.gov/sun/facts/

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

   science.nasa.gov › sun › facts

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   The part of the Sun we call its surface – the photosphere – is a relatively cool 10,000 °F (5,500 °C). In one of the Sun’s biggest mysteries, the Sun’s outer atmosphere, the corona, gets hotter the farther it stretches from the surface.

   • Anatomy of the Sun

     The Convection Zone – Energy continues to move toward the...

   • The Photosphere

     The photosphere is the visible surface of the Sun that we...

3. scied.ucar.edu › surface-of-the-sunThe Surface of the Sun - Center for Science Education

   scied.ucar.edu › surface-of-the-sun

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   The surface of the Sun is called the photosphere, a term which means “sphere of light.” The glowing ball of light that you see in the sky is the photosphere. The surface of the Sun is the only part that we can see from Earth on a typical day, without use of specialized equipment.

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

   en.wikipedia.org › wiki › Sun

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   The Sun is the star at the center 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.

6. sciencenotes.org › layers-of-the-sun-diagram-and-factsLayers of the Sun – Diagram and Facts - Science Notes and ...

   sciencenotes.org › layers-of-the-sun-diagram-and-facts

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   Feb 3, 2024 · The four layers of the Sun are the core, radiative zone, convective zone, and atmosphere. The Sun is a colossal nuclear reactor at the heart of our solar system. Our favorite star is about 109 times the diameter of Earth and over 330,000 times its mass.

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

   www.nasa.gov › image-article › anatomy-of-sun

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   Jan 23, 2013 · The Convection Zone – Energy continues to move toward the surface through convection currents of the heated and cooled gas. The Chromosphere – This relatively thin layer of the Sun is sculpted by magnetic field lines that restrain the electrically charged solar plasma.

8. solarscience.msfc.nasa.gov › surfaceNASA/Marshall Solar Physics

   solarscience.msfc.nasa.gov › surface

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   Aug 11, 2014 · The photosphere is the visible surface of the Sun that we are most familiar with. Since the Sun is a ball of gas, this is not a solid surface but is actually a layer about 100 km thick (very, very, thin compared to the 700,000 km radius of the Sun).

9. www.britannica.com › science › photospherePhotosphere | Sun’s Surface, Solar Radiation & Solar Flares ...

   www.britannica.com › science › photosphere

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   Photosphere, visible surface of the Sun, from which is emitted most of the Sun’s light that reaches Earth directly. Since the Sun is so far away, the edge of the photosphere appears sharp to the naked eye, but in reality the Sun has no surface, since it is too hot for matter to exist in anything.