Let's review the sun

Front

What is the main composition of the Sun?

Back

Hydrogen and Helium

Front

How long does it take light from the Sun to get to Earth?

Back

About 8 minutes

Front

How does the sun keep all of the planets in orbit?

Back

The pull of its gravity

Front

Is the Sun a giant sized star?

Back

False

Front

What percentage of our solar system's mass does the Sun contain?

Back

Over 99%

Front

What is the core of the Sun primarily made of?

Back

Nuclear fusion of hydrogen into helium

Front

What is the surface of the Sun called?

Back

Photosphere

Front

What are sunspots?

Back

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

Front

What is solar flares?

Back

Sudden eruptions of energy on the Sun's surface

Front

What is the temperature of the Sun's core?

Back

About 15 million degrees Celsius