Exploring Dark Matter and Dark Energy

What percentage of the universe is thought to be made up of dark matter and dark energy?

• 100%

• 95%

• 75%

• 50%

Who first proposed the existence of dark matter while studying the Coma Cluster?

• Fritz Zwicky

• Edwin Hubble

• Albert Einstein

• Vera Rubin

What did Vera Rubin's observations of spiral galaxies reveal about dark matter?

• It is composed of known particles.

• It is visible through telescopes.

• It interacts with light.

• It affects the rotation curves of galaxies.

Which theory suggests that dark matter could be the ordinary matter of a parallel universe?

• String Theory

• Multiverse Theory

• Quantum Theory

• Relativity Theory

What discovery in the late 1990s changed our understanding of the universe's expansion?

• The universe is contracting.

• The universe's expansion is accelerating.

• The universe is static.

• The universe is shrinking.

What did Einstein introduce to his equations to stabilize the universe?

• A new particle

• A new dimension

• A new force

• A mathematical constant

What is one proposed source of dark energy according to recent studies?

• Neutron stars

• Black holes

• Galaxies

• The sun

How might black holes contribute to the universe's accelerating expansion?

• By absorbing dark matter

• By emitting light

• By slowing down time

• By creating energy in their cores

What is a key characteristic of dark energy?

• It is stronger than gravity.

• It is weaker than other fundamental forces.

• It is visible through telescopes.

• It interacts with light.

What do scientists hope to achieve by studying black holes in relation to dark energy?

• Find new galaxies

• Understand the universe's contraction

• Shed light on the link between dark energy and black holes

• Discover new particles