The Darkest Part of a Sunspot Is Called the

question 24

Multiple Choice

The darkest part of a sunspot is called the

• A) penumbra.
• B) umbra.
• C) granule.
• D) photosphere.
• E) magnetic field.

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Definitions:

Heater

A device used to generate heat for various purposes, such as warming a room or heating water.

Horn

A device that emits a loud sound for signaling or warning purposes.

LED Status Indicator

A light-emitting diode used to display the operational state or condition of a device or system.

Proximity Switches

Sensors that detect the presence or proximity of an object without physical contact, commonly used in industrial control applications.