Dark Matter

What is the main goal of modern cosmology?

• To explore black holes

• To invent time travel

• To measure the properties of dark matter and dark energy

• To find alien life

What does dark matter not interact with?

• Time

• Black holes

• Light or normal matter

• Gravity

What is the challenge with understanding dark matter and dark energy?

• They do not exist

• They are fully understood

• We know how they behave but not what they are

• We know what they are but not how they behave

When we make a "budget of stuff" in the cosmos, what percentage is made of stuff we can't directly see?

• 5%

• 27%

• 68%

• 95%

Dark Matter is passing through your body at this moment.

• true

• false

What percent of the universe is dark matter

• 4%

• 90%

• 73%

• 23%

Since energy cannot be created or destroyed, what was the reason the stars rotation speed did not slow down

• dark speeds

• dark energy

• dark matter

• dark light

What is dark matter primarily composed of?

• Baryonic particles

• Non-baryonic particles

• Photons

• Neutrinos

Which of the following is a method used to detect dark matter?

• Direct detection experiments

• Observing solar flares

• Measuring ocean tides

• Studying volcanic eruptions

How does dark matter affect the rotation curves of galaxies?

• It slows them down

• It speeds them up

• It has no effect

• It causes them to rotate at a constant speed