Which theory explains the origin of the universe?
What is the estimated age of the universe?
Which force is primarily responsible for the formation of galaxies?
What is the name of our galaxy?
Which phenomenon suggests that the universe is expanding?
What is the cosmic microwave background radiation?
What is the approximate percentage of dark energy in the universe?
Which type of galaxy is the Milky Way?
Which element was most abundant in the early universe?
Who first proposed the theory of an expanding universe?
What is a galaxy cluster?
What is the primary composition of stars?
What is the fate of the universe according to the Big Freeze theory?
What is meant by the term "observable universe"?
What is the main evidence supporting the Big Bang Theory?
