Mini-Quiz: Jupiter’s Galilean Moons

1. Which Galilean moon is larger than the Earth's moon?

   Only EuropaSorry, not correct. Try another button. They all are largerThat is correct. You know about Jupiter's largest moons. None of the Galilean moonsGood try, but not right. Select another answer.

2. Which of the moons contain water or ice?

   Only IoSorry, not correct. Try another button. Io and EuropaOops! Wrong answer. Re-read the question and try again. Europa, Ganymede, and CallistoCorrect. You understand about Jupiter!

3. What is the rate of rotation as the moons orbit Jupiter?

   One turn on its axis per orbitThat is correct. You know about Jupiter's largest moons. The moons don't rotateGood try, but not right. Select another answer. 28 daysOops! Wrong answer. Re-read the question and try again.

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