The Ultimate Sun Quiz! ☀️ How Much Do You Actually Know About the Sun?

The Earth is both spinning on its axis and orbiting the Sun at the same time. How long does it take for Earth to orbit the Sun?

• 24 hours

• 28 days

• 365 days

• 7 days

The Sun hasn't always existed. Scientists estimate that the Sun is how old?

• 1 million years

• 100 billion years

• 4.6 billion years

• 1 billion years

Roughly how many individual Earths would fit inside the Sun?

• 1,000

• 1,000,000

• 10,000

• 100

What is the main composition of the Sun?

• Hydrogen and helium

• Hydrogen and methane

• Hydrogen and oxygen

• Oxygen and ammonia

What is the process through which the Sun generates light and energy?

• Nuclear fission

• Nuclear fusion

In our galaxy, which star is closest to the Sun?

• Tania Australis

• Gorgonea Tertia

• Proxima Centauri

• Electra

The Sun rotates on its axis once in how many days?

• 10

• 27

• It doesn't rotate

• 13

This is the halfway point! The Sun is classified as a "second generation" star. What does that mean?

• The Sun is one half of a larger star that split in two

• The Sun was formed from the collision of smaller stars

• The Sun was once much larger than it is now

• The Sun was formed from the material of earlier stars

Which of the following statements about the Sun is NOT true?

• The Sun moves at over 200 km per second

• The Sun contains over 99% of our solar system's mass

• Temperatures inside the Sun have reached 15 million degrees Celsius

• Light from the Sun takes about 8 hours to reach the Earth

What is the Sun's surface temperature approximately?

• -50 °C

• 5,500,000 °C

• 5,500 °C

• 500 °C

What is the word used to describe the state of matter being ejected from the Sun in the image, that also describes the liquid component of blood?

• Plasma

• Ectoplasm

• Vitriol

• Haemoglobin

The Sun's atmosphere remains visible as a faint outline around the Moon during a total solar eclipse. What is the name for this part of the Sun?

• Chromosphere

• Heliosphere

• Photosphere

• Corona

What is the term for the dark regions that appear temporarily on the Sun's surface and are relatively cooler than other parts, as shown in this picture?

• Sunspots

• Stellar flares

• Coronal mass ejections

• Solar flares

You're nearing the finale! Approximately what percentage of the mass of the solar system is contained in the Sun?

• 20%

• 95%

• 90%

• 99.8%

Just one more question after this! Out of these, which one is NOT considered as a layer in the Sun's atmosphere?

• Corona

• Exosphere

• Chromosphere

• Photosphere

The Sun has been around for a long time. What will be the ultimate fate of the Sun?

• Supernova

• It will last forever

• White dwarf

• Black hole