The Universe Quiz 2 (25 MCQs)

Quiz Instructions:

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1. The space and all the matter and energy in it is called _____

2. The initial condition of the big bang theory is unknown and referred to as a singularity

3. A planet is a spherical body that orbits the _____?

4. According to scientists and astronomers, how long would a modern jet fighter take to cross our Milky Way galaxy?

5. Which type of force holds galaxies together?

6. Which of the following holds all celestial bodies.

7. A spiral galaxy is best described as an extremely large group of stars

8. How do we know that the universe is expanding?

9. Which of the following is the lowest frequency visible light?

10. Doppler shift of an object moving away from us. (Longer wavelengths of visible light are redder)

11. Where are stars that are both dim and cool located on the HR diagram?

12. Our galaxy is called the

13. What galaxy do we live in?

14. What is proof of the big bang theory?

15. Compared to the rest of the stars, our sun is considered _____

16. What stage of stellar evolution is the sun experiencing at this time?

17. Hot clouds of gaseous elements and compounds that act as nurseries for stars

18. Galaxies that are moving away from us are _____ shifting?

19. How would the universe be different if stars never died?

20. _____ is a force that causes dust particles to stick together in a nebula.

21. Proof of the Big bang Theory

22. A force that speeds up the expansion of the universe is called

23. The stars and all the other matter in a galaxy are held together by which of the following?

24. An element with five valence electrons is

25. Which theory has CMB radiation as evidence?