Mini-Quiz: Astronomical Distances

1. What is the closest Jupiter comes to Earth in astronomical units?

   1 AUSorry, not correct. Try another button. 4.2 AUThat is correct. You know about astronomy. 5.2 AUGood try, but not right. Select another answer.

2. How long does it take light from the star, Proxima Centauri, to reach us?

   4.22 yearsCorrect. You are a genius! 4.22 AUOops! Wrong answer. Re-read the question and try again. 186,000 miles per secondSorry, not correct. Try another button.

3. Why don't most people use the parsec as a unit of measurement?

   Most people do use it, but not in grade schoolsOops! Wrong answer. Re-read the question and try again. The word is too difficult to spellGood try, but not right. Select another answer. It is difficult to visualize an angle as representing a distanceThat is correct. You know about astronomy.

Pick an answer to see instant feedback. Re-read the lesson if you miss one.