Quiz on Dark Matter and Dark Energy

What is the primary focus of cosmology?

• The study of planetary systems

• The study of dark matter only

• The study of the universe as a whole

• The study of galaxies

Who discovered that galaxies are receding away from us?

• Isaac Newton

• Edwin Hubble

• Albert Einstein

• Galileo Galilei

What does dark matter primarily do?

• Interact with light

• Take up the majority of mass in the universe

• Form visible stars and planets

• Accelerate the expansion of the universe

What percentage of the universe is made up of dark energy according to the PANTHEON+ survey?

• 70%

• 33.8%

• 66.2%

• 50.5%

What is the big bang theory?

• A theory about the formation of black holes

• A theory stating the universe was once smaller and denser

• A theory about the life cycle of stars

• A theory explaining the behavior of dark matter

What is the age of the universe as stated in the text?

• 10 billion years

• 20 billion years

• 13.77 billion years

• 4.5 billion years

What is the main challenge in modern cosmology?

• Understanding dark matter and dark energy

• Exploring other galaxies

• Measuring the distance to stars

• Understanding the behavior of light

What did the discovery of dark energy reveal?

• Galaxies are moving closer together

• The universe is expanding at an accelerating rate

• The universe is static

• Dark matter is visible

What is the significance of the PANTHEON+ survey?

• It confirmed the existence of black holes

• It measured the positions of supernovae

• It provided evidence for time travel

• It discovered new galaxies

What is the relationship between dark matter and normal matter?

• They are the same substance

• Normal matter is more mysterious than dark matter

• Dark matter does not interact with normal matter

• Dark matter is less abundant than normal matter