The Universe Quiz 17 (20 MCQs)

Quiz Instructions

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1. Which of the following planet is not rotate from west to east?

Correct Answer: C) Uranus.

2. Large objects that form dense gravity wells in space

Correct Answer: D) Black holes.

3. What is the graph that shows the relations between a star's surface temperature and absolute magnitude(luminosity)?

Correct Answer: A) H-R Diagram.

4. The light of Proxima Centaury takes 4.3 years to reach Earth. What does it mean?

Correct Answer: B) The star is 4.3 light years from the Earth.

5. How many stars are estimated in the universe?

Correct Answer: B) Billion x billion.

6. What instrument could be used to make distant objects seem larger and nearer?

Correct Answer: A) Telescope.

7. The average distance between the earth and the sun.

Correct Answer: B) Astronomical unit.

8. How many of the stars visible in the night sky are closer to Earth than to the Sun?

Correct Answer: B) None of them.

9. The red-shift in the spectral lines of light, reaching us from other galaxies implies that these galaxies .....

Correct Answer: B) Are moving farther apart from one another.

10. A theory in astronomy:the universe originated billions of years ago in an explosion from a single point of nearly infinite energy density

Correct Answer: B) BIG BANG THEORY.

11. Which planets are gas giants?

Correct Answer: D) Jupiter, Saturn, Uranus, Neptune.

12. What is the fate of the universe that will expand forever, but more slowly over time, eventually stop expanding when infinite time is reached?

Correct Answer: C) Big Freeze.

13. How old do scientists believe the universe is?

Correct Answer: B) 13, 700, 000, 000 years old.

14. What is the universe made up of?

Correct Answer: D) All of the above.

15. What elements make up most of the sun's mass?

Correct Answer: D) Hydrogen and helium.

16. What is the meaning of the vocabulary word particles?

Correct Answer: D) Small pieces.

17. ..... law states that the farther away a galaxy is, the faster it is moving away from us.

Correct Answer: A) Hubble's.

18. What does George see when he spies through Dr. Reeper's window? pg 243

Correct Answer: A) Reeper's secret lab and that he has Cosmos.

19. Where in the Milky Way is Earth found?

Correct Answer: D) Near the outer edge of the galaxy.

20. The study of the origin, structure, and development of the universe is called .....

Correct Answer: B) Cosmology.