Why do some areas of the photosphere become cooler than surrounding areas?

Larue Hegmann asked a question: Why do some areas of the photosphere become cooler than surrounding areas?
Asked By: Larue Hegmann
Date created: Thu, Feb 18, 2021 11:01 AM



Those who are looking for an answer to the question «Why do some areas of the photosphere become cooler than surrounding areas?» often ask the following questions:

❗ What are sunspots cooler than the surrounding areas?

  • Sunspots appear dark to us because they're cooler than the surrounding areas on the sun's visible surface, or photosphere , which has a temperature of about 10,000 degrees Fahrenheit (5,537.8 degrees Celsius ). The dark interior of a sunspot, called the umbra, is about 1,600 degrees cooler than the rest of the sun's surface.

❗ Why are sunspots cooler than the surrounding areas?

I'm not an astrophysicist but I know they are cooler because they are farther away from the source of heat than the surrounding area. The cause of a sun spot is probably excess heat. But as the spot, or eruption, climbs away from the sun it become cooler. It shows as black only because the lenses that are necessary to allow looking at the sun do not allow the smaller amount of light from a spot to be seen. Consider the room where you are. You may be able to see everything in it. But it is not all lit the same and if you put on a pair of sunglasses you might not be able to see areas where you could before. These areas are black, though they are still lit in actual fact.

❗ Are sunspot hotter or cooler than the surrounding areas?


1 other answer

because of you

Your Answer

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