Cosmology Quiz

What is cosmology the study of?

• The study of cosmic rays

• The study of the universe as a whole

• The study of dark matter and dark energy only

• The study of celestial bodies within our solar system

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

• Isaac Newton

• Galileo Galilei

• Edwin Hubble

• Stephen Hawking

What does modern cosmology suggest about the universe's size and its expansion?

• The universe is shrinking

• The universe is static and unchanging

• The universe is very large and expanding

• The universe is small and dense

What does the big bang theory state about the early universe?

• It was always the same size as it is today

• It was smaller, hotter, and denser than it is today

• It was larger and cooler than it is today

• It was composed entirely of dark matter

What is dark matter?

• A type of energy that fuels stars

• A form of matter with a mysterious identity and properties

• A concept disproven by modern science

• A kind of particle that interacts with light

Does dark matter interact with light or with normal matter?

• Yes, it interacts with both light and normal matter

• No, it does not interact with light but does with normal matter

• Yes, but only with normal matter

• No, it does not interact with light or with normal matter

What percentage of the universe is made up of dark energy, according to the PANTHEON+ survey?

• 33.8%

• 66.2%

• 70%

• 13.77%

How much of the universe's energy does dark energy account for?

• About 50%

• Almost 70%

• 33.8%

• 13.77%

What is the estimated age of the universe?

• 13.77 million years

• 13.77 billion years

• 13.77 thousand years

• 13.77 hundred years

How old was the cosmos when all the hydrogen atoms were formed?

• A dozen minutes old

• A dozen hours old

• A dozen days old

• A dozen years old