Quiz on Dark Matter and Dark Energy

What is the main focus of cosmology?

• The study of Earth's atmosphere

• The study of stars and planets

• The study of the universe as a single physical object

• The study of human evolution

Who discovered that galaxies exist and are receding from us?

• Isaac Newton

• Galileo Galilei

• Edwin Hubble

• Albert Einstein

What does the big bang theory state?

• The universe is static and unchanging

• The universe is contracting

• The universe was smaller, hotter, and denser in the past

• The universe is filled with dark matter

What is dark matter believed to be made of?

• Ordinary atoms

• A new kind of particle with mysterious properties

• Antimatter

• Light particles

What did astronomers discover about the universe's expansion in the late 1990s?

• It has stopped

• It is accelerating

• It is shrinking

• It is slowing down

What percentage of the universe's mass energy is made up of dark energy?

• 70%

• 80%

• 50%

• 60%

What is the age of the universe according to modern cosmology?

• 10.5 billion years

• 12.5 billion years

• 13.77 billion years

• 15 billion years

What is the PANTHEON+ survey known for?

• Measuring the precise positions of supernovae

• Finding new planets

• Mapping the Milky Way

• Discovering new galaxies

What is the main challenge in understanding dark matter and dark energy?

• Lack of technology

• Lack of understanding of their properties

• Lack of funding

• Lack of interest

What is the ultimate goal of modern cosmology regarding dark matter and dark energy?

• To measure their properties as precisely as possible

• To ignore them

• To replace them with new theories

• To prove they don't exist