Depends - Where on the earth are you referring?
The name of the sun's surface layer is called the chromosphere. The other layers of the sun is called photosphere and convection zone.
The hottest part of the sun is actually its center, estimated by calculations to be about 1.57E7 Kelvin.The corona is about  5E6 Kelvin.The photosphere is 5,772 Kelvin.The various layers of the sun from the center out to the photosphere decline steadily but not smoothly. Obviously there is an internal layer of the sun at the same temperature as the corona.
Sunspots are cooler, darker areas on the Sun's photosphere that are caused by magnetic activity inhibiting convection. They appear darker because they are about 1500 degrees Celsius cooler than the surrounding photosphere. Other areas of the photosphere do not have the same magnetic influence that creates sunspots.
Corona the corona is the Sun's atmosphere,extending out several million miles from the Sun's visible face,the photosphere despite its extent,it is exceedingly faint,shining with only one-millionth as much light as the photosphere.For this reason the corona is most easily photographed during a solar eclipse,when the photosphere blocked by the Moon.A capful of gas from the photosphere contains a trillion times more gas particles than a cupful from the corona. Only the Sun's outer layers, collectively referred to as the solar 'atmosphere', can be observed directly. There are distinct regions to the solar atmosphere: the photosphere, the chromosphere, and the corona. These three regions have substantially different properties from each other, with regions of gradual transition between them.
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Depends - Where on the earth are you referring?
The photosphere is the visible surface of the Sun, where most of the sunlight is emitted. It is located above the core of the Sun, where nuclear fusion reactions take place and produce the Sun's energy. The core is the central region of the Sun and is much hotter and denser than the photosphere.
The sun is roughly the same temperature all the time.the visible photosphere is about 5,000Cthe corona (outside the photosphere) is about 2,000,000Cthe core (where hydrogen fusion happens) is about 13,000,000CThe sun has several other layers, each with its own temperature.
The name of the sun's surface layer is called the chromosphere. The other layers of the sun is called photosphere and convection zone.
The hottest part of the sun is actually its center, estimated by calculations to be about 1.57E7 Kelvin.The corona is about  5E6 Kelvin.The photosphere is 5,772 Kelvin.The various layers of the sun from the center out to the photosphere decline steadily but not smoothly. Obviously there is an internal layer of the sun at the same temperature as the corona.
The chromosphere is the second of the three main layers of the Sun's atmosphere, located above the photosphere and below the corona. It is characterized by a reddish color and consists of hot, thin gas that emits light primarily in the hydrogen-alpha spectral line. The chromosphere is most easily visible during solar eclipses.
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Where a place is located in relation to other places.
Sunspots are cooler, darker areas on the Sun's photosphere that are caused by magnetic activity inhibiting convection. They appear darker because they are about 1500 degrees Celsius cooler than the surrounding photosphere. Other areas of the photosphere do not have the same magnetic influence that creates sunspots.
Mauritania is located on the Northwestern coast of Africa.
Corona the corona is the Sun's atmosphere,extending out several million miles from the Sun's visible face,the photosphere despite its extent,it is exceedingly faint,shining with only one-millionth as much light as the photosphere.For this reason the corona is most easily photographed during a solar eclipse,when the photosphere blocked by the Moon.A capful of gas from the photosphere contains a trillion times more gas particles than a cupful from the corona. Only the Sun's outer layers, collectively referred to as the solar 'atmosphere', can be observed directly. There are distinct regions to the solar atmosphere: the photosphere, the chromosphere, and the corona. These three regions have substantially different properties from each other, with regions of gradual transition between them.