Name

Thinking Questions

Quiz

How many satellites ("moons") does Jupiter have?
1: 2 2: 4 3: 8 4: 16 ANSWER: Click here for the correct answer.

Of the Galilean Satellites, which is closest to Jupiter?
1: Io. 2: Europa 3: Ganymede 4: Callisto ANSWER: Click here for the correct answer.

Of the Galilean Satellites, which has the highest density?
1: Io. 2: Europa 3: Ganymede 4: Callisto ANSWER: Click here for the correct answer.

Who made the first successful attempt to measure the speed of light by utilizing the motion of Jupiter's satellites.
1: Aristotle 2: Copernicus 3: Galileo 4: Roemer ANSWER: Click here for the correct answer.

What is the smallest instrument needed to see the Galilean satellites of Jupiter under normal circumstances?
1: The unaided human eye 2: Binoculars 3: A telescope with at least a 6-inch objective 4: A telescope with at least a 10-inch objective ANSWER: Click here for the correct answer.