https://www.discovery.com/space/we-know-precisely-nothing-about-

What is the study of the universe called?

• Cosmology

• Geology

• Biology

• Astronomy

Who discovered that galaxies are very far away from us and that the universe is expanding?

• Nicolaus Copernicus

• Galileo Galilei

• Edwin Hubble

• Isaac Newton

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

• Axion

• Quark

• Muon

• Neutrino

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

• It is shrinking

• It is accelerating

• It is constant

• It is slowing down

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

• 33.8%

• 50.0%

• 66.2%

• 75.0%

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

• 10.5 billion years

• 13.77 billion years

• 25.3 billion years

• 20.0 billion years

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

• Comets

• Asteroids

• Supernovae

• Black holes

What did the James Webb Space Telescope release as its first batch of images from the science runs?

• Images of Earth

• Images of Mars

• Images of Jupiter

• Images of the universe

What is the Korea Pathfinder Lunar Orbiter (KPLO) also known as?

• Danuri

• Chang'e

• Apollo

• Artemis

What is one of the hottest topics in astronomy with expensive telescopes and giant collaborations searching for?

• Black holes

• Exoplanets

• Galaxies

• Nebulas