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It was Galileo who first studied the dark spots found in the Sun which are now referred to as sunspots. It is believed that the intense magnetic fields surrounding the sun cause the appearance of sunspots.

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What is a cool dark area in the surface of the sun?

a sunspot


An area seen as dark spot on the photosphere of sun?

A "sunspot."


What is a dark area on the sun that is caused by magnetic storms?

Sunspot. See related question


What is the dark area on the sun that gives off less energy than the sun?

i belive it is a sunspot


What is a cooler area on the sun called?

A cooler area on the sun is called a sunspot


Why does a sun spot appear dark?

Well, a sunspot is not really dark but it is at a lower temperature than the surrounding gases on the surface of the Sun. So it only looks dark by contrast with the area round it.


A dark area of gas on the suns surface that is cooler than surrounding gases?

The dark area is known as a sunspot on the Sun's surface. Sunspots appear darker because they are cooler than their surroundings. They are caused by strong magnetic activity that inhibits convection and reduces temperature.


Dark center of a sunspot?

Umbra.


An area seen as a dark spot on the photosphere of the sun?

The darkest part, where the magnetic field is approximately vertical to the sun's surface is called the Umbra.


What is an area on the sun cooler than any other area on the sun called?

A cool, dark area on the sun's surface is called a sunspot. Sunspots are areas of reduced temperature that appear dark against the brighter background of the surrounding solar surface because they are regions of concentrated magnetic field flux inhibiting convective flow.


What is another name for a sunspots?

Sunspots are dark circles on the sun's surface that are cooler than the area surrounding it. Another name for a sunspot is a solar variation or a dark spot.


What is a cooler area on the sun's surface?

An area on the sun that is cooler is called a sunspot.