Deck 48: Ice Worlds, Pluto, and Beyond

Question 1

The probe that landed on Titan's surface is _____.

A) Hugyens
B) Cassini
C) Galileo
D) Voyager

Answer 1

Hugyens

Question 2

Bodies at about the same distance as Pluto are being called _____.

A) Plutinos
B) Kuiper's
C) Centaur's
D) Quaoar's

Answer 2

Plutinos

Question 3

This moon has active geysers and orbits retrograde:

A) Io
B) Triton
C) Titan
D) Europa

Answer 3

Triton

Question 4

Despite its small size, Io has retained a molten core because of

A) radioactive decay of heavy elements.
B) gravitational contraction.
C) heating from Jupiter's magnetic field.
D) flexing by strong tidal forces.

Question 5

This moon has active volcanoes of sulfur: ______.

Question 6

This former planet is now a dwarf planet: __________.

Question 7

Titan has an atmosphere thicker than the Earth's.

Question 8

Ganymede is the smallest Galilean moon around Jupiter.