The Sun Vocabulary

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Chromosphere

Back

The second gaseous layer of the Sun's atmosphere, characterized by its reddish color.

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Prominence

Back

A large, bright feature that extends outward from the Sun's surface.

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Photosphere

Back

The cumulative atmosphere of the Sun that is responsible for radiating light.

Front

Solar Flare

Back

A sudden eruption of radiation from the surface of the Sun.

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Red Supergiant

Back

An aging, giant star that has consumed its core's supply of hydrogen fuel.

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Radiation Zone

Back

The layer of the Sun where energy is transferred outward by radiation.

Front

Convection Zone

Back

The outer layer of the Sun's interior where energy is transferred by convection.

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Core

Back

The central region of the Sun where nuclear fusion occurs, producing energy.

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Sunspot

Back

A temporary phenomenon on the Sun's photosphere that appears as spots darker than the surrounding areas.

Front

Solar Wind

Back

A stream of charged particles released from the upper atmosphere of the Sun.