Quiz on Dark Matter and Dark Energy

What is cosmology the study of?

• The solar system

• The Earth

• The stars

• The universe

Who discovered that galaxies exist and are very far away?

• Galileo Galilei

• Albert Einstein

• Edwin Hubble

• Isaac Newton

What theory does modern cosmology rest on?

• Theory of Relativity

• Big Bang Theory

• Quantum Theory

• String Theory

What is dark matter believed to be made of?

• Energy

• Light

• Normal matter

• New kind of particle

When was dark matter discovered?

• 1990s

• 1980s

• 1970s

• 1960s

What does dark energy account for in the universe?

• 30% of the mass energy

• 50% of the mass energy

• 70% of the mass energy

• 90% of the mass energy

What did the PANTHEON+ survey measure?

• The temperature of stars

• The size of galaxies

• The positions of supernovae

• The speed of light

What percentage of the universe is dark energy according to the latest results?

• 75.0%

• 66.2%

• 50.5%

• 80.1%

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

• 13.77 billion years

• 15.2 billion years

• 10.5 billion years

• 20 billion years

What is the main challenge in modern cosmology?

• Studying black holes

• Measuring the speed of light

• Understanding dark matter and dark energy

• Finding new planets