Properties of the sun

Front

What is the center of our Solar System?

Back

The Sun is at the center of our Solar System.

Front

What gas makes up about 70% of the Sun?

Back

Hydrogen.

Front

What causes Solar Flares on the Sun?

Back

A sudden explosion of energy caused by tangling, crossing or reorganizing of magnetic field lines near sunspots.

Front

What is the hottest layer of the Sun?

Back

Core.

Front

What is the coolest layer of the Sun?

Back

Photosphere.

Front

What is the outermost layer of the Sun's atmosphere?

Back

Corona.

Front

What is the process by which the Sun produces energy?

Back

Nuclear fusion, where hydrogen atoms combine to form helium.

Front

What are sunspots?

Back

Dark spots on the Sun's surface caused by magnetic activity.

Front

What is the temperature of the Sun's core?

Back

Approximately 15 million degrees Celsius.

Front

What is the significance of the Sun's gravity?

Back

It keeps the planets in orbit around it.