1. Saturn's biggest moon is:
a) best seen without a telescope.
b) half the size of Earth.
c) 808 miles from Hawaii.
2. Titan, one of 30 moons orbiting Saturn:
a) was discovered by Berkeley astronomers.
b) is much smaller than our moon.
c) has a temperature of minus 297 degrees Fahrenheit.
3. The distant moon is unable to support life because:
a) its atmosphere lacks oxygen.
b) it's too cold.
c) both a and b.
4. Caltech scientist Michael Brown thinks Saturn's moon:
a) is the most earth-like body in the solar system.
b) will soon disappear.
c) has an unchanging surface.
5. Astronomers used telescopes to view Titan from:
a) atop an active volcano.
b) observatories on Hawaii's Big Island.
c) the California Institute of Technology.
6. For the first time, researchers on top of Mauna Kea spotted clouds:
a) floating over Titan's South Pole.
b) partially hidden by a thick haze.
c) filled with nitrogen.
7. The clouds observed over Titan are unusual because they:
a) are filled with water.
b) were formed by evaporation.
c) appear to be made up of raindrops.
8. Any precipitation falling on Titan would be:
a) methane rain.
b) ethane hail.
c) similar to that found on Earth.
9. Now that Saturn's moon is clearly visible, NASA will:
a) launch the Cassini spacecraft.
b) send astronauts to the second largest planet.
c) be able to learn many new things about Titan.
10. In 2004, NASA plans to:
a) land a probe on Titan's surface.
b) rename Saturn's biggest moon Huygens.
c) design a set of orbiting parachutes.
Answer Key: 1. b, 2. c, 3. c, 4. a, 5. b, 6. a, 7. b, 8. a, 9. c, 10. a