Why Do Sunspots Appear Dark In Pictures Of The Sun
Olivia Luz
Sunspots are temporary phenomena on the sun s photosphere that appear as spots darker than the surrounding areas.
This causes the skin tone to appear uneven or discolored. Why do sunspots appear dark in pictures of the sun. Due to some magnetic field action convection currents are less there and so temperature is low so we see it as drk. Why do sunspots appear dark in pictures of the sun.
They actually are fairly bright but appear dark against the even brighter background of the surrounding photosphere. They are regions of reduced surface temperature caused by concentrations of magnetic field flux that inhibit convection. Sunspots appear dark because they are cooler than the rest of the surface of the sun but they are actually extremely bright. They are holes in the solar surface through which we can see through to deeper darker layers of the sun.
Fusion reactions in the sun have ceased. Why are sunspots relatively cool. They actually are fairly bright but appear dark against even brighter background of the surrounding photosphere the star alpha centauri a is the same type of star as the sun but its luminosity is about 1 6 times that of the sun. The temperature of a sunspot is still very hot though around 6 500 degrees fahrenheit.
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Sunspots usually appear in pairs of opposite magnetic polarity. The spots or ends of the strings are about 3000 degrees cooler than the rest of the sun s surface and that is why they are darker. Why do sunspots appear dark in pictures of the sun. The reason a sunspot appears dark is that the gas inside the spot where the magnetic field is strongest is only emitting about 1 4 as much light as from the rest of the solar surface.
They are irregularly shaped and tend to appear in clusters or groups always within five to 35 degrees north and south of the sun s equator. The uv light from the sun can also cause irregular pigmentation of the skin. These magnetic fields are so strong that they keep some of the heat within the sun from reaching the surface.
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