Quiz on Dark Matter and Dark Energy

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

• Isaac Newton

• Galileo Galilei

• Albert Einstein

• Edwin Hubble

What is the name of the mysterious substance that does not interact with light or normal matter but makes up the majority of mass in the universe?

• Dark Energy

• Normal Matter

• Anti-Matter

• Dark Matter

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

• The expansion is slowing down

• The expansion is constant

• The expansion is accelerating

• The expansion is reversing

What percentage of the mass energy in the entire cosmos is dark energy according to the PANTHEON+ survey?

• 33.8%

• 75%

• 50%

• 66.2%

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

• To ignore them

• To measure their properties precisely

• To understand their behavior

• To create more of them