Cosmology MCQs with Answers

What is the approximate temperature of the cosmic microwave background radiation?

What is the primary method for measuring distances to galaxies?

What is the term for the large-scale structure of the universe, including galaxies, clusters, and voids?

What is the name of the mission that provided the first detailed map of the cosmic microwave background radiation?

What is dark matter composed of?

What is the approximate percentage of dark matter in the universe?

What is the process by which elements heavier than hydrogen and helium are formed in stars?

What is the term for the phenomenon where distant galaxies appear to be moving away from us?

What is the process by which stars exhaust their nuclear fuel and cease to produce energy?

What is the name of the galaxy that contains the Milky Way?

What is the cosmological principle?

What is the age of the oldest known star in the universe?

What is the name of the theory that suggests our universe is just one of many universes?

What is the shape of the universe, according to current cosmological models?

What is a quasar?

What is the name of the hypothetical object from which not even light can escape due to its strong gravitational pull?

What is the name of the spacecraft that mapped the cosmic microwave background radiation with high precision?

What is the name of the theory that suggests the universe underwent a rapid expansion in the early moments after the Big Bang?

What is the fate of the universe according to the Big Crunch theory?

What is the primary composition of dark matter?

What is the term for a universe that has enough mass to stop expanding and begin contracting?

What is the primary evidence for the Big Bang theory?

What is the term for the apparent shift in the frequency of light due to the motion of the source relative to the observer?

What is the critical density of the universe?

What is the process by which stars convert hydrogen into helium, releasing energy?

What is the cosmic microwave background radiation?

What is the most abundant element in the universe?

What is the observable universe?

What is the term for the boundary around a black hole beyond which nothing can escape?

What is the name of the proposed substance responsible for the accelerated expansion of the universe?

What is the term for the boundary beyond which events cannot affect an observer?

What is the term for the earliest light that we can observe in the universe?

What is the term for the theory that suggests the universe will continue expanding indefinitely?

What is the term for the study of the origin, structure, and evolution of the universe?

What is the ratio of dark matter to ordinary matter in the universe?

What is the largest known structure in the universe, consisting of a massive group of galaxies?

What is the term for the average density of matter required for the universe to be flat?

What is the age of the universe, approximately?

What is the term for the change in frequency or wavelength of light from an object moving toward or away from the observer?

What is the name of the theory that describes the rapid expansion of the universe in its early stages?