1. Which astronomical body orbits the Earth?

2. What is the name of the force which holds the planets in orbit around the Sun?

3. What term best describes the shape of the planets' orbit around the Sun?

4. Which planet takes the longest time to orbit the Sun?

5. During an eclipse of the Sun, which three objects are in a straight line?

6. Earth has one, Mars has two, Uranus has seventeen and Neptune has eight. What are they?

7. What do astronomers call the large group of stars of which the Sun is a member?

8. Place the following in order of size: Star, Planet, Galaxy, Comet.

9. What name is given to a collapsed star so dense that not even light can escape from it?

10. What name is given to the event at which the Universe is thought to have been created?

1. MOON

2. GRAVITY

3. ELLIPTICAL

4. PLUTO

5. SUN, MOON, EARTH

6. SATELLITES

7. THE (MILKY WAY) GALAXY

8. COMET, PLANET, STAR, GALAXY

9. BLACK HOLE

10. THE BIG BANG