Basic Solar System Astronomy

15 Points Per Correct Answer - No time limit  

1. The Earth has how many natural satellites? One None Two Four

2. Of the eight planets in our Solar System, Earth is the ____ largest. 7th 3rd 10th 5th

3. Olympus Mons is on what planet? Mars Venus Earth Jupiter

4. If you could find a tub of water large enough, and put all the planets in it, which one would float? None would float Neptune Pluto Saturn

5. Earth and Venus both have known active volcanoes. True False

6. Titan is the only known satellite (moon) to have an atmosphere. True False

7. The main asteroid belt is between the planets Jupiter and Saturn. True False

8. Which is the brightest planet (when visible) in Earth's night (or morning) sky? Mercury Jupiter Pluto Venus

9. The Moon's gravity is what percentage of the Earth's? One fourth One eighth One third One sixth

10. Pluto has a circular orbit. True False