Quiz on Dark Matter and Dark Energy

What is cosmology?

• The study of the universe as a single physical object

• The study of stars and planets

• The study of the Earth's atmosphere

• The study of human cultures

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

• Edwin Hubble

• Galileo Galilei

• Isaac Newton

• Albert Einstein

What does the big bang theory state?

• The universe is static and unchanging

• The universe has always been the same size

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

• The universe is shrinking

When was dark matter discovered?

• In the 2000s

• In the 1970s

• In the 1990s

• In the 1920s

What percentage of the universe's mass energy is made up of dark energy?

• 80%

• 70%

• 50%

• 60%

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

• 13.77 billion years

• 12.77 billion years

• 10.77 billion years

• 15.77 billion years

What did the PANTHEON+ survey measure?

• The temperature of the universe

• The positions of about 1,500 supernovae

• The speed of light

• The mass of dark matter

What is dark matter made of?

• Antimatter

• A new kind of particle with a mysterious identity

• Light particles

• Ordinary matter

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

• It is accelerating

• It is constant

• It is slowing down

• It is reversing

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

• To find new galaxies

• To measure their properties as precisely as possible

• To stop the universe's expansion

• To create new particles