Structure of the Sun

What are the main components that make up the Sun?

• Hydrogen and helium

• Oxygen and nitrogen

• Carbon and iron

• Silicon and magnesium

Which part of the Sun is known as the 'light sphere'?

• Photosphere

• Chromosphere

• Corona

• Core

What is the approximate temperature of the Sun's core?

• 27 million °F (15 million °C)

• 10,000 °F (5,500 °C)

• 3.5 million °F (2 million °C)

• 1 million °F (500,000 °C)

How long does it take for radiation to travel from the Sun's core to the top of the convection zone?

• 170,000 years

• 1,000 years

• 10,000 years

• 100,000 years

What is the density of the Sun's core compared to gold?

• Approximately 8 times the density of gold

• Approximately 2 times the density of gold

• Approximately 5 times the density of gold

• Approximately 10 times the density of gold

What happens to material once it leaves the Sun's corona?

• It becomes the solar wind

• It forms sunspots

• It turns into solar flares

• It creates coronal holes

Which layer of the Sun is considered its upper atmosphere?

• Corona

• Photosphere

• Chromosphere

• Radiative zone

What happens in the core?

• The core is where plants grow.
• The core is primarily made of water.
• The core is responsible for weather patterns.
• The core is where hydrogen and helium are fusing.

How is the energy from the core removed?

• Energy is removed from the core through radiation.

• Energy is removed via electrical conduction.
• Energy is removed by mechanical processes.
• Energy is removed through chemical reactions.

The Sun’s ______________is where we see features such as sunspots, coronal holes, and solar flares.

• atmosphere
• core
• chromosphere