Why we know nothing about mars

What is cosmology the study of?

• The universe

• The ocean

• The weather

• The human body

Who discovered that galaxies exist and are very far away?

• Isaac Newton

• Edwin Hubble

• Galileo Galilei

• Albert Einstein

What is dark matter made of?

• Normal matter

• Water

• Light particles

• A new kind of particle

What percentage of the universe is dark energy?

• 50%

• 90%

• 70%

• 10%

What did the PANTHEON+ survey measure?

• Speed of light

• Positions of supernovae

• Temperature of the sun

• Depth of the ocean