1) Why do scientists argue about Pluto?
a. Not all scientists agree that it qualifies as a planet.
b. Some scientists think it is one of Neptune's moons.
c. Some scientists want to change its name.

2) What probe visited Uranus and confirmed rings and ten more moons?
a. Voyager 2
b. Titan 57
c. Viking 1

3) Which statement about Venus is NOT true.
a. Ishtar Terra is a highland.
b. Venus is our sister planet.
c. NASA’s Magellan probe was the first to explore Venus.

4) A lunar month lasts about how many days?
a. 10
b. 27
c. 365

5) What is the farthest planet you can see with the naked eye?
a. Saturn
b. Pluto
c. Uranus

6) Jupiter is mostly made of
a. Neon
b. Helium
c. Hydrogen

7). What is the name of the largest asteroid?
a. Bruno
b. Ceres
c. Galileo

8) Galaxies are moving apart because of the force of the Big Bang. What is this movement called?
a. The Red Shift
b. COBE
c. The Big Crunch

9) What is the source of Neptune’s name?
a. The planet is named after Charles Neptune who discovered it.
b. The planet is named after an ancient tribe of people.
c. The planet is named after the Roman sea god.

10) What is unusual about Pluto’s center of gravity?
a. Pluto orbits beyond the reach of gravity.
b. Pluto’s center of gravity was drastically changed by a recent probe visit.
c. Pluto and its moon, Charon, orbit around a center of gravity that is in between them.

11) Asteroids have many
a. Oceans
b. Craters
c. Moons

12) After the Big Bang, which element formed first?
a. Hydrogen
b. Helium
c. Sulfur

13) Saturn is named after the
a. God of beauty
b. God of the harvest
c. God of the seas

14) What were comets called centuries ago?
a. Ice balls
b. Titans
c. Hairy stars

15) Approximately how many objects exist in the Kuiper Belt?
a. 70
b. 70,000
c. 700


Score:

To see the the questions and their answers Click on the Open Button.