Understanding the Sun: A Stellar Quiz

Approximately how many Earths could fit inside the Sun?

• Over 1 million

• 500,000

• 2 million

• 100,000

What is the temperature at the core of the Sun?

• 100,000 degrees Celsius

• 5 million degrees Celsius

• 1 million degrees Celsius

• 15 million degrees Celsius

What is the primary element that fuels the Sun's core?

• Carbon

• Hydrogen

• Oxygen

• Nitrogen

What happens to hydrogen atoms in the Sun's core?

• They fuse into helium

• They evaporate

• They split

• They freeze

What is the Sun's surface layer called?

• Stratosphere

• Corona

• Photosphere

• Chromosphere

How long does it take for the Sun's energy to travel from its core to the surface?

• 1 to 200,000 years

• 1 month

• 1 week

• 1 year

Why is the Sun's corona much hotter than its surface?

• It is actually cooler

• Because of its density

• Due to magnetic fields

• Due to solar winds

What phenomenon causes the auroras on Earth?

• Solar flares

• Lunar influence

• Cosmic rays

• Ocean tides

What is the main consequence of a coronal mass ejection hitting Earth?

• Increased plant growth

• Oceanic tidal waves

• Massive power outages

• Increased global temperatures

What is created when the Sun's magnetic field lines snap?

• A new star

• A comet

• A black hole

• A solar flare