Understanding the Cosmos: Dark Matter and Dark Energy

What did Edwin Hubble discover about the universe?

• That the universe is only made of visible matter

• That galaxies exist and are receding away from us

• That the universe is static

• That dark matter interacts with light

What is dark matter?

• A new kind of particle with mysterious identity and properties

• A form of energy that accelerates the expansion of the universe

• A type of matter that interacts with light

• A theory that has been disproven

When was dark energy discovered?

• Around a hundred years ago

• In the early 2000s

• In the late 1990s

• In the 1970s

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

• 33.8%

• 70%

• 66.2%

• 50%

What does modern cosmology rely on to explain the universe?

• The plasma universe theory

• The steady state theory

• The big bang theory

• The multiverse theory

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

• To prove they do not exist

• To measure their properties as precisely as possible

• To disregard them in calculations of the universe

• To find a way to interact with them

How old is the universe estimated to be?

• 20 billion years

• 15 billion years

• 13.77 billion years

• 10 billion years

What was the state of the universe at the time of the big bang according to modern cosmology?

• It was infinite in size

• It was in a state of complete darkness

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

• It was composed entirely of dark matter and dark energy