A Future Interplanetary Tourist Whose Parents Kept Him Too Warm

question 4

Multiple Choice

A future interplanetary tourist whose parents kept him too warm as a baby asks for your help to find a "really cold place" in the solar system. Which of the following would be the coldest place to take him?

• A) the Earth's polar regions
• B) the moons of Neptune
• C) the moons of Mars (which are captured asteroids)
• D) Halley's Comet when it is closest to the Earth in its orbit
• E) the deep atmosphere of Jupiter