Quiz on Dark Matter and Dark Energy

What is cosmology the study of?

• The universe

• The solar system

• The Earth

• The stars

Who discovered that galaxies exist and are very far away?

• Galileo Galilei

• Isaac Newton

• Edwin Hubble

• Albert Einstein

What theory does modern cosmology rest on?

• Theory of Relativity

• Big Bang Theory

• String Theory

• Quantum Theory

What is dark matter believed to be made of?

• Gas

• Light

• New kind of particle

• Normal matter

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

• 33.8%

• 50%

• 70%

• 66.2%

What did astronomers discover about the expansion of the universe in the late 1990s?

• It is accelerating

• It is constant

• It is slowing down

• It has stopped

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

• 13.77 billion years

• 15 billion years

• 20 billion years

• 10 billion years

What is the main goal of modern cosmology?

• To study black holes

• To explore planets

• To measure dark matter and dark energy

• To find new galaxies

What did the PANTHEON+ survey measure?

• The speed of light

• The positions of supernovae

• The temperature of stars

• The size of galaxies

What is dark energy's role in the universe?

• It forms black holes

• It cools down planets

• It creates stars

• It causes the universe to expand faster