Quiz on Dark Matter and Dark Energy

What is cosmology?

• The study of stars

• The study of the universe as a single physical object

• The study of planets

• The study of galaxies

Who discovered that galaxies exist and are receding away from us?

• Albert Einstein

• Isaac Newton

• Galileo Galilei

• Edwin Hubble

What does the big bang theory state?

• The universe is shrinking

• The universe is cooling down

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

• The universe has always been the same size

What is dark matter?

• A new kind of particle with a mysterious identity and properties

• A type of visible matter

• A type of energy

• A form of light

When was dark matter discovered?

• In the 1960s

• In the 1990s

• In the 1970s

• In the 1980s

What is dark energy responsible for?

• The shrinking of the universe

• The cooling of the universe

• The formation of stars

• The accelerated expansion of the universe

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

• 70%

• 60%

• 50%

• 80%

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

• 13.77 billion years

• 12.77 billion years

• 11.77 billion years

• 10.77 billion years

What did the PANTHEON+ survey measure?

• The positions of stars

• The positions of supernovae

• The positions of planets

• The positions of galaxies

What is the main goal of modern cosmology?

• To measure the properties of dark matter and dark energy as precisely as possible

• To discover new planets

• To understand the behavior of black holes

• To study the sun