Web Results

Photosphere - Wikipedia


The surface of a star is defined to have a temperature given by the effective temperature in the Stefan–Boltzmann law. Stars ...

Layers of the Sun | NASA


The temperature in the photosphere varies between about 6500 K at the bottom and 4000 K at the top (11,000 and 6700 degrees F, 6200 and 3700 degrees C).

Atmosphere of the Sun: Photosphere, Chromosphere & Corona


Jan 23, 2013 ... Three layers make up the atmosphere of the sun: the photosphere, the ... Temperatures in the sun's corona can get as high as 3.5 million ...

Solar Atmosphere


All visible light is emitted from the photosphere akin to a black body (i.e. peak of the black body spectrum is in the visible waveband). Therefore, the temperature ...

The Sun's Photosphere: Definition & Temperature | Study.com


This lesson will explain what we mean by the photosphere of the Sun, and describe it's properties, including temperature and pressure. A short quiz...

Lecture 4: The Sun's Atmosphere


Jan 9, 2003 ... The visible surface of the Sun is called the photosphere. ... The average temperature of the gas in the photosphere is 5800 Kelvin; this is the ...

Layers of the Sun – The Sun Today


Aug 2, 2015 ... In the outermost of the two shells, where the temperature drops below ... The Sun's visible surface the photosphere is “only” about 5,800 K ...



The diagram in Figure 7-1 above shows a plot of the temperature of the sun as a function of distance above the bottom of the photosphere. At what distance ...

Why the sun's corona is hotter than its surface: laws of physics still ...


Mar 27, 2014 ... However, a significant number of stars have higher temperatures at ... of plasma that shoot from inside the photosphere (De Pontieu, B. et al.

The Sun | Las Cumbres Observatory


The temperature at the surface of the Sun is about 5800 K, or 5527 °C and the ... The Sun's density at the photosphere is very low and we can see about 400 km ...

More Info

How Hot Is the Sun? - Space.com


Aug 15, 2012 ... The temperature in the photosphere is about 10,000 degrees F (5,500 degrees C ). It is here that the sun's radiation is detected as visible light.

The Sun and Stellar Structure - Astronomy Notes


Aug 18, 2011 ... It emits a continuous spectrum. Several methods of measuring the temperature all determine that the Sun's photosphere has a temperature of ...

The Photosphere - the "Surface" of the Sun | UCAR Center for ...


The temperature of the photosphere is around 5,500° C (about 9,900° F). The photosphere is much cooler than the Sun's core, which has a temperature well ...