Quiz on Dark Matter and Dark Energy

What is the primary focus of cosmology?

• The study of dark matter

• The study of the universe as a whole

• The study of black holes

• The study of planetary systems

Who discovered that galaxies are receding away from us?

• Albert Einstein

• Edwin Hubble

• Isaac Newton

• Galileo Galilei

What does the big bang theory suggest about the universe's past?

• The universe is static

• The universe was once smaller and denser

• The universe is made entirely of dark matter

• The universe has always been the same size

What is dark matter primarily composed of?

• Normal matter

• A new kind of particle

• Light particles

• Gas clouds

What percentage of the universe is believed to be dark energy?

• 50%

• 66.2%

• 70%

• 33.8%

What phenomenon did astronomers discover in the late 1990s?

• Dark matter is visible

• The universe is static

• Galaxies are colliding

• The universe is expanding at an accelerating rate

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

• 4.5 billion years

• 20 billion years

• 10 billion years

• 13.77 billion years

What did the PANTHEON+ survey measure?

• The size of black holes

• The speed of light

• The positions of supernovae

• The temperature of dark matter

What is the main challenge in modern cosmology?

• Understanding dark matter and dark energy

• Finding new planets

• Mapping the surface of Mars

• Measuring the speed of light

What is the relationship between dark matter and normal matter?

• They are the same thing

• Normal matter is more mysterious than dark matter

• Dark matter does not interact with normal matter

• Dark matter is less abundant than normal matter