Question 1

The probe that landed on Titan's surface is _____.&#10;A) Hugyens&#10;B) Cassini&#10;C) Galileo&#10;D) Voyager

Accepted Answer

Huygens is the probe that successfully landed on Titan, Saturn's largest moon, in January 2005. It was part of the Cassini-Huygens mission, a collaboration between NASA, the European Space Agency (ESA), and the Italian Space Agency. Cassini was the orbiter that carried Huygens to Saturn.

Question 2

Bodies at about the same distance as Pluto are being called _____.&#10;A) Plutinos&#10;B) Kuiper's&#10;C) Centaur's&#10;D) Quaoar's

Accepted Answer

Bodies at about the same distance as Pluto and sharing similar orbits are referred to as Plutinos. This term is derived from Pluto, reflecting their association with the dwarf planet in terms of their location within the Kuiper Belt.

Question 3

This moon has active geysers and orbits retrograde:&#10;A) Io&#10;B) Triton&#10;C) Titan&#10;D) Europa

Accepted Answer

Triton, a moon of Neptune, is unique for its retrograde orbit and is known for having active geysers that spew nitrogen gas.

Question 4

Despite its small size, Io has retained a molten core because of&#10;A) radioactive decay of heavy elements.&#10;B) gravitational contraction.&#10;C) heating from Jupiter's magnetic field.&#10;D) flexing by strong tidal forces.

Accepted Answer

Io experiences intense tidal forces due to its proximity to Jupiter and its interaction with other Galilean moons. These forces cause Io's interior to flex, generating heat through friction, which helps maintain its molten core.

Question 5

This moon has active volcanoes of sulfur: ______.

Accepted Answer

The answer of This moon has active volcanoes of sulfur:...

Question 6

This former planet is now a dwarf planet: __________.

Accepted Answer

The answer of This former planet is now a dwarf...

Question 7

Titan has an atmosphere thicker than the Earth's.

Accepted Answer

Titan, Saturn's largest moon, has a dense atmosphere that is actually thicker than Earth's, primarily composed of nitrogen with traces of methane and other organic compounds.

Question 8

Ganymede is the smallest Galilean moon around Jupiter.

Accepted Answer

Ganymede is actually the largest Galilean moon of Jupiter and is also the largest moon in the Solar System.

Deck 48: Ice Worlds, Pluto, and Beyond