The Formation of the Sun Quiz

What is the main gas that makes up the sun's composition?

• Oxygen
• Hydrogen
• Carbon
• Nitrogen

Approximately how long ago did the sun begin to form?

• 1 billion years ago
• 4.5 billion years ago
• 10 billion years ago
• 2 billion years ago

What is the name of the cloud of gas and dust from which the sun formed?

• Solar System
• Solar Nebula
• Galactic Cloud
• Stellar Dust

Which process started the formation of the sun?

• Condensation
• Fusion
• Evaporation
• Radiation

What will happen to the sun in approximately 6.5 billion years?

• It will explode
• It will become a red giant
• It will turn into a black hole
• It will remain the same

What is the temperature at the center of the sun?

• 5,600 °C
• 15 million °C
• 1,000 °C
• 100,000 °C

How many Earths would it take to match the mass of the sun?

• 100,000
• 1 million
• 332,000
• 500,000

What will the sun eventually become after it sheds its outer layers?

• A red giant
• A black dwarf
• A white dwarf
• A neutron star

What percentage of the sun is made up of helium?

• 5.9%
• 8.9%
• 10.1%
• 12%

What is the outermost layer of the sun called?

• Photosphere
• Chromosphere
• Corona
• Convective Zone