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Review Checklist - Sample Questions
Cosmology
What is cosmology?
Have astronomers located all the galaxies in the observable universe?
What evidence do we have that the universe is now expanding?
What unproven assumption do we make about our universe?
Does the universe have a center?
How old is the universe (how long since the big bang)?
What caused the big bang?
Where did the big bang occur?
What is Olbers' paradox?
What evidence do we have that there was a hot big bang?
What did Penzias and Wilson discover in 1964?
What existed before the big bang?
Was all the matter in the universe really concentrated at one point?
What does it mean to say that galaxies move without changing position?
What happens to a wave moving around while the universe expands?
Is the universe finite or infinite?
What determines whether the universe will expand forever?
What is the big crunch?
What is the current opinion about the future of the universe?
According to what we see, is there enough matter to make the universe recollapse?
Why is it so hard to find out if the universe will recollapse or not?
What are wormholes?
What is the present status of wormholes?
page by luca bombelli <bombelli at olemiss.edu>, modified 29 sep 2012
