At Present, What Is Thought to Be the Composition of the Universe

Q30: At what point after the Big Bang

Q31: What are the main effects of dark

Q32: Place the celestial objects in order by

Q33: When astronomers look out at our universe,

Q34: How might scientists tell if the universe

Q36: Compare the future for the three theories

Q37: What is the basis for evidence supporting

Q38: What experimental evidence supports the Big Bang

Q39: What were the first three elements formed

Q40: What is the likely composition of dark