Cosmology and Dark Matter Quiz

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

• Galileo Galilei

• Albert Einstein

• Isaac Newton

• Edwin Hubble

What is the name of the mysterious particle that makes up dark matter?

• Neutrino

• Quark

• Axion

• Muon

When was dark matter discovered?

• 1990s

• 1970s

• 1950s

• 1920s

What did two teams of astronomers discover in the late 1990s?

• Black Holes

• Neutron Stars

• Dark Energy

• Dark Matter

What percentage of the mass energy in the entire cosmos is dark energy?

• 50.5%

• 33.8%

• 80.0%

• 66.2%

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

• To discover their identity

• To ignore their existence

• To measure their properties precisely

• To understand their behavior

What did the PANTHEON+ survey measure?

• The positions of stars

• The positions of planets

• The positions of galaxies

• The positions of supernovae

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

• 20.0 billion years

• 15.2 billion years

• 13.77 billion years

• 10.5 billion years