Idek

What is cosmology?

• The study of stars

• The study of the universe

• The study of planets

• The study of galaxies

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

• Albert Einstein

• Isaac Newton

• Edwin Hubble

• Galileo Galilei

What does the big bang theory state?

• The universe was always the same size

• The universe is cooling down

• The universe was smaller, hotter, and denser a long time ago

• The universe is shrinking

When was dark matter discovered?

• In the 1960s

• In the 1970s

• In the 1980s

• In the 1990s

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

• 80%

• 70%

• 60%

• 50%

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

• 10.77 billion years

• 11.77 billion years

• 13.77 billion years

• 12.77 billion years

What did the PANTHEON+ survey measure?

• The positions of galaxies

• The positions of stars

• The positions of supernovae

• The positions of planets

What is dark matter made of?

• Gas particles

• A new kind of particle with a mysterious identity

• Ordinary matter

• Light particles

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

• It is staying the same

• It is reversing

• It is slowing down

• It is accelerating

What is the main goal of modern cosmology?

• To explore the ocean

• To measure the properties of dark matter and dark energy

• To find new planets

• To study the sun