Understanding Dark Matter and Dark Energy

What is cosmology?

• The study of galaxies

• The study of planets

• The study of the universe

• The study of stars

Who discovered that the universe is expanding?

• Edwin Hubble

• Albert Einstein

• Isaac Newton

• Galileo Galilei

What is dark matter?

• A type of light

• A new kind of particle

• A type of star

• A type of galaxy

What percentage of the universe is dark energy?

• 80%

• 70%

• 60%

• 50%

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

• 20.77 billion years

• 15.77 billion years

• 10.77 billion years

• 13.77 billion years

What is the main theory that modern cosmology rests on?

• The Relativity Theory

• The Big Bang Theory

• The String Theory

• The Quantum Theory

What did the PANTHEON+ survey measure?

• The positions of supernovae

• The positions of galaxies

• The positions of stars

• The positions of planets

What is dark energy responsible for?

• The acceleration of the universe's expansion

• The heating of the universe

• The shrinking of the universe

• The cooling of the universe

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

• We know how they behave but not what they are

• We know what they are but not how they behave

• We know neither what they are nor how they behave

• We know both what they are and how they behave

What is the main goal of modern cosmology regarding dark matter and dark energy?

• To replace them with new theories

• To prove they don't exist

• To ignore them

• To measure their properties precisely