Dark energy

What is the study of the universe called?

• Geology

• Astronomy

• Chemistry

• Biology

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

• Galileo Galilei

• Nicolaus Copernicus

• Isaac Newton

• Edwin Hubble

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

• Muon

• Axion

• Quark

• Neutrino

What did two teams of astronomers discover in the late 1990s about the expansion of the universe?

• It is constant

• It is shrinking

• It is decelerating

• It is accelerating

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

• 33.8%

• 25%

• 50%

• 66.2%

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

• Supernovae

• Black holes

• Comets

• Asteroids

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

• 20 billion years

• 5 billion years

• 10 billion years

• 13.77 billion years

What is the successor to the Hubble Space Telescope?

• James Webb Space Telescope

• Kepler Space Telescope

• Spitzer Space Telescope

• Chandra X-ray Observatory