Layers of the sun

Front

What is the uppermost part of the sun's atmosphere?

Back

The corona is the outermost layer of the sun's atmosphere, millions of miles thick.

Front

What is the orange-red layer of the sun's atmosphere?

Back

The chromosphere is an orange-red layer of the sun's atmosphere that is thousands of miles thick.

Front

What are charged particles that stream from the sun?

Back

Solar wind consists of charged particles that continually stream away from the sun and can create auroras on Earth.

Front

What is the shell of cooler hydrogen above a star's core?

Back

The radiative zone is a shell of cooler hydrogen located above a star's core.

Front

What are regions of magnetic activity on the Sun?

Back

Sunspots are regions of magnetic activity on the Sun that can be as large as Earth.

Front

What is the layer of the sun that emits light?

Back

The photosphere is the layer of the sun that emits light and is visible to the naked eye.

Front

What is the process by which energy moves from the core to the surface of the sun?

Back

Energy moves from the core to the surface of the sun through radiation and convection.

Front

What are solar flares?

Back

Solar flares are sudden eruptions of energy on the sun's surface that can release a large amount of radiation.

Front

What is the temperature of the sun's core?

Back

The temperature of the sun's core is approximately 15 million degrees Celsius.

Front

What is the significance of sunspots?

Back

Sunspots are important for studying solar activity and can affect space weather.