Sun and Solar System Concepts

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

• 7,000,000 K

• 2,000,000 K

• 15,000,000 K

• 4,000 K

Which layer of the Sun is described as a "sea of hot gas radiating brilliant light" and is its visible surface?

• Radiative Zone

• Convection Zone

• Chromosphere

• Photosphere

What are the two primary elements that compose the Sun?

• Hydrogen and Carbon

• Helium and Oxygen

• Hydrogen and Helium

• Carbon and Oxygen

What are the dark, cooler regions on the Sun's surface called, which are linked to its magnetic activity?

• Solar Flares

• Solar Prominences

• Sunspots

• Coronas

Which planet is the closest to the Sun in our solar system?

• Earth

• Venus

• Mercury

• Mars