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What is the lighter-colered region around the dark center of a sunspot called?
The lighter-colored region around the dark center of a sunspot is called the penumbra. It consists of less dense magnetic field lines compared to the umbra, which is the darkest part of the sunspot.
What is the light colored region around the dark center of a sunspot called?
Penumbra
Why is the center of a Sunspot dark?
It is not actually dark, it is just dark in comparison to the rest of the Sun's photosphere. This is because the magnetic fields/flux associated with the sunspot inhibit convection and therefore reduce the amount of heat rising from below where they are present.
What is the lighter colored region around the dark center of a hotspot called?
The lighter colored region around the dark center of a hotspot is known as the "umbra." It is the innermost and darkest part of a sunspot or the dark central region of a volcanic hotspot.
What is the center portion of a sunspot called?
The center portion of a sunspot is called the umbra. It is the darkest part of the sunspot where the magnetic field is strongest and the temperature is cooler than the surrounding areas.
What is the center portion of the sunspot called?
umbra
What is a cool dark area in the surface of the sun?
a sunspot
What are dark areas cooler than their surroundings?
sunspot
What are dark spots on the sun where gas is cooler?
The cooler dark spots on the sun are called sunspots.
An area seen as dark spot on the photosphere of sun?
A "sunspot."
How do you use the word sunspot in a sentence?
You should never look directly at the Sun to try to see a sunspot, as they are not as dark as they look in photographs. The magnetic disturbance that causes a sunspot will seldom occur in the same location twice.
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.
