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

• Galileo Galilei

• Albert Einstein

• Isaac Newton

• Edwin Hubble

What is the name of the mysterious particle that makes up dark matter?

• Neutrino

• Muon

• Quark

• Axion

When did astronomers discover that the expansion of the universe is accelerating?

• 2000s

• 1990s

• 1970s

• 1950s

What percentage of the mass energy in the entire cosmos is dark energy?

• 75.0%

• 66.2%

• 50.5%

• 33.8%

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

• 13.77 billion years

• 10 billion years

• 20 billion years

• 25.5 billion years

Tags

NGSS.HS-ESS1-2

What did the PANTHEON+ survey measure the precise positions of?

• Neutron stars

• Galaxies

• Supernovae

• Black holes

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

• To discover their identity

• To ignore their existence

• To measure their properties precisely

• To understand their behavior

What is the study of the whole entire universe as a single physical object called?

• Astrophysics

• Cosmology

• Particle physics

• Quantum mechanics