Mini-Quiz: Characteristics of the Universe

1. Why are light-years used to measure the size of galaxies?

   Because the indicate the number of years in the UniverseSorry, not correct. Try another button. Other measurements are too small to denote the great distancesThat is correct. You are becoming a Champion. Light travels faster than the eye can seeGood try, but not right. Select another answer.

2. Is there any proof that the Big Bang really happened?

   There is evidence that it could have happened but no proofCorrect. You are improving every day. Yes, because telescopes can look into the past to see the explosionOops! Wrong answer. Re-read the question and try again. No, but there is proof that it did not happenSorry, not correct. Try another button.

3. How can there be other universes?

   It is nonsense, because this is the only UniverseOops! Wrong answer. Re-read the question and try again. Space ships have already been to those universesGood try, but not right. Select another answer. They may exist outside the boundaries of our UniverseThat is correct. You are becoming a Champion.

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