Quiz on Dark Matter and Dark Energy

What is cosmology?

• The study of stars

• The study of the universe

• The study of planets

• The study of galaxies

Who discovered that galaxies exist and are very far away from us?

• Albert Einstein

• Isaac Newton

• Edwin Hubble

• Galileo Galilei

What does the big bang theory state?

• The universe was smaller, hotter, and denser a long time ago

• The universe is static

• The universe is cooling down

• The universe is shrinking

When was dark matter discovered?

• In the 1960s

• In the 1990s

• In the 1970s

• In the 1980s

What is dark matter made of?

• Ordinary particles

• Light particles

• A new kind of particle with a mysterious identity

• Gas particles

What does dark matter not interact with?

• Light or normal matter

• Gravity

• Magnetic fields

• Electric fields

When was dark energy discovered?

• In the 1990s

• In the 1980s

• In the 2000s

• In the 2010s

What is the effect of dark energy on the universe?

• It slows down the expansion of the universe

• It stops the expansion of the universe

• It accelerates the expansion of the universe

• It has no effect on the universe

What percentage of the universe is made up of dark energy?

• 80%

• 70%

• 60%

• 50%

What is the age of the universe according to modern cosmology?

• 10.77 billion years

• 12.77 billion years

• 13.77 billion years

• 11.77 billion years