THE SUN

Front

What is the outermost layer of the sun's interior?

Back

Convection zone

Front

How old is the sun?

Back

4.6 billion years

Front

What causes solar wind?

Back

High temperature and high pressure of the Sun's corona

Front

How many layers make up the interior of the sun?

Back

3

Front

What color is the chromosphere?

Back

Red

Front

What is the core of the sun?

Back

The innermost layer where nuclear fusion occurs.

Front

What is the photosphere?

Back

The visible surface of the sun that emits light.

Front

What is the radiative zone?

Back

The layer where energy is transferred outward by radiation.

Front

What is nuclear fusion?

Back

The process that powers the sun, where hydrogen atoms combine to form helium.

Front

What is the corona?

Back

The outermost layer of the sun's atmosphere, visible during a solar eclipse.