Understanding Dark Matter and Dark Energy

What is cosmology?

• The study of dark matter exclusively

• The study of galaxies only

• The study of the universe as a single physical object

• The study of stars and planets

Who discovered that the universe is expanding?

• Edwin Hubble

• Albert Einstein

• Isaac Newton

• Galileo Galilei

What is dark matter believed to be made of?

• Antimatter

• Ordinary atoms

• A new kind of particle with mysterious properties

• Light particles

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

• 50%

• 33.8%

• 66.2%

• 70%

What is the main evidence for the Big Bang theory?

• The presence of dark matter

• The expansion of the universe

• The formation of stars

• The existence of black holes

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

• 20 billion years

• 10 billion years

• 4.5 billion years

• 13.77 billion years

What is the main challenge in understanding dark matter and dark energy?

• They are constantly changing

• They are too small to detect

• They do not interact with light or normal matter

• They are too far away to study

What did the PANTHEON+ survey measure?

• The positions of about 1,500 supernovae

• The temperature of the universe

• The size of galaxies

• The speed of light