Identify the correct descriptions of sunspots.

Mark all that apply.

a. never appear in pairs

b. observed on the photosphere

c. travel across the surface of the Sun, while the Sun itself remains rigid and stationary

d. cooler than the photosphere

The characteristics of the sunspots include:

b. observed on the photosphere

d. cooler than the photosphere.

Sunspots refer to temporary phenomena that can be seen on the photosphere of the sun. They appear as spots that are darker than their surrounding areas.

It should be noted that sunspots usually appear in pairs. They're also observed on the photosphere. They're also cooler than the photosphere.

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b. observed on the photosphere

d. cooler than the photosphere

Explanation:

A sunspot is a dark spot on the surface of the sun. Its temperature is about  3,800° Kelvin, while the temperature of the photosphere is about 5, 800° kelvin. So it is cooler than the photosphere.

It is observed on the photosphere because it is darker than the photosphere.

Sunspots are attracted to regions of high magnetic activity. Their function or why they appear on the surface of the sun is not yet properly understood.

after the moon goes from a full moon it turns into a waning gibbous moon.

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