Universe

What is cosmology?

• The study of planets

• The study of the universe

• The study of stars

• The study of galaxies

Who discovered that galaxies exist and are very far away?

• Isaac Newton

• Albert Einstein

• Edwin Hubble

• Galileo Galilei

What does the big bang theory state?

• The universe is cooling down

• The universe is shrinking

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

• The universe is static

What is dark matter?

• A type of galaxy

• A type of light

• A type of star

• A new kind of particle with a mysterious identity

When was dark energy discovered?

• In the 1970s

• In the 1980s

• In the 1990s

• In the 2000s

What percentage of the universe is dark energy?

• 80%

• 70%

• 60%

• 50%

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

• 10.77 billion years

• 13.77 billion years

• 11.77 billion years

• 12.77 billion years

What did the PANTHEON+ survey measure?

• The positions of planets

• The positions of supernovae

• The positions of galaxies

• The positions of stars