Astronomy Potpourri

15 Points Per Correct Answer - No time limit  

1. If it wasn't for me, the Earth would be getting bombarded with asteroids, and terrestrial life would have never evolved as far as it did. What am I? Saturn the Sun Jupiter the asteroid belt

2. Some people have suggested that the universe will come to an end when its ever-increasing rate of expansion causes all matter to basically fly apart. What is the term applied to this theory? The Big Crunch The Big Stretch The Big Rip The Big Fly Apart

3. Over the years there have been several hypotheses about other, yet undiscovered, planets being part of our solar system. Which of the following was not one of those would-be tenth planets? Nibiru Persephone Vulcan Fomalhaut

4. We all know the Asteroid Belt which lies between Mars and Jupiter. There is also another "belt" of debris which lies outside Pluto's orbit, known as the _____ Belt Answer: (One Word)

5. In billions of years, when it nears its death, widespread theory has it that our sun will first shift to what other color? orange white red blue

6. We are all familiar with the rings of Saturn. Which of the other gas giants has no rings? Uranus Jupiter they all have rings Neptune

7. The terms 'event horizon' and 'singularity' relate to what astronomical bodies? gas giants stars nebulae black holes

8. Which of the following is not a type of nebula? reflection nebulae dark nebulae radioactive nebulae planetary nebulae

9. Which of the following word pairs refers to a body's position in orbit around the Sun? perihelion/aphelion periapsis/apoapsis perigee/apogee perimeter/apometer

10. All stars eventually die and turn into black holes. True False