Quiz on Dark Matter and Dark Energy

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

• Galileo Galilei

• Edwin Hubble

• Isaac Newton

• Albert Einstein

What is the name of the mysterious particle that makes up dark matter?

• Axion

• Photon

• Quark

• Neutrino

When did astronomers discover that the expansion of the universe is accelerating?

• 2010s

• 1950s

• 1970s

• 1990s

What percentage of the mass energy in the entire cosmos is dark energy?

• 66.2%

• 33.8%

• 75.0%

• 50.5%

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

• 10.5 billion years

• 13.77 billion years

• 20.0 billion years

• 25.5 billion years

What did the PANTHEON+ survey measure the precise positions of?

• Comets

• Supernovae

• Planets

• Stars

What is the main focus of modern cosmology regarding dark matter and dark energy?

• Measuring their properties

• Naming new particles

• Discovering their origin

• Understanding their behavior

What did Edwin Hubble discover about galaxies?

• They are stationary

• They are receding away

• They are close to us

• They are shrinking

What dominates the mass energy in the entire cosmos according to modern cosmology?

• Normal matter

• Dark matter

• Dark energy

• Antimatter

What is the big bang theory based on?

• Expansion of the universe

• Discovery of galaxies

• Existence of dark matter

• Hot and dense early universe