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umbra
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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 outer portion of a sunspot called?
umbra
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
Dark center of a sunspot?
Umbra.
What is the darkest portion of the Moon's shadow during an eclispe?
Sunspot
What has the solid center portion of a comet?
The center of a comet is called its nucleus.
What is a cooler area on the sun's surface?
An area on the sun that is cooler is called a sunspot.
What is the darkened area of a sunspot called?
The darkened area of a sunspot is called the umbra. It is the central region of a sunspot where the magnetic field is strongest, causing the area to appear darker compared to the surrounding photosphere of the Sun.
A darker area on the surface of the Sun is called a?
Sunspot
What is the small sunspot called?
A small sunspot is called a plage. Plages are regions on the Sun's surface that appear brighter than their surroundings due to intense magnetic activity.
What is the dense center portion of the nucleus?
The dense center portion of the nucleus is called the nucleolus. It is responsible for producing ribosomes, which are essential for protein synthesis within the cell. The nucleolus is composed of proteins and RNA.
