The Universe Quiz 15 (25 MCQs)

Quiz Instructions:

Select an option to see the correct answer instantly.

1. A _____ is a large celestial body that is composed of gas and emits light.

2. The universe is expanding! This means that

3. A _____ is a spherical body that orbits the sun.

4. What is the unit used to measure the distance between galaxies

5. At the center of most, if not all galaxies is a _____

6. The Hubble constant (Ho) is _____

7. What was in part of the Milky Way prior to 4.6 billion years ago?

8. The distance light travels in one year.

9. Which of the following components of the universe is best described as an interstellar cloud of dust and gases where stars can form?

10. A system of stars held together by gravitational attraction between gas and dust is called

11. Put the visible light colors in order from longest wavelength to shortest wavelength

12. Which doomsday scenario for our Universe predicts a cold dark death, as a consequence of the second law of thermodynamics?

13. A LARGE OR SMALL CELESTIAL BODY MOVING IN AN ELLIPTICAL ORBIT AROUND A STAR.

14. The earth is approximately how old?

15. Small galaxies are called _____

16. The Big Bang Theory states that the universe started out _____

17. Which is the biggest?

18. How bright a star APPEARS FROM EARTH is called what?

19. To express the distance between the Milky Way galaxy and the Andromeda galaxy, the most appropriate unit of measure is the

20. When passing near the sun, a comet

21. A _____ is the distance that light travels through space in one year.

22. The spinning of the Earth on its axis.

23. A system of stars, gas, dust, and dark matter bound together by gravity is called _____

24. What are the the 3 types of galaxies?

25. What type of galaxy has no defined pattern or shape?