The Universe Quiz 27 (20 MCQs)

Quiz Instructions

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1. Which of these is now considered a dwarf planet?

Correct Answer: B) Pluto.

2. A characteristic of a nebula is that it

Correct Answer: B) Is a region where stars are born.

3. Elliptical, spiral, and irregular are all classifications of the overall shape of which of the following?

Correct Answer: B) Galaxies.

4. When Edwin Hubble measured the distance to other galaxies, he discovered that the galaxies .....

Correct Answer: B) Were moving away from us.

5. About how long ago do scientists believe theuniverse began?

Correct Answer: A) 13-14 billion years ago.

6. What are the shortest, most dangerous, wavelengths in the electromagnetic spectrum?

Correct Answer: C) Gamma rays.

7. What happens to an electromagnetic wave as the frequency decreases? TEK 8.8C

Correct Answer: D) Energy decreases and wavelength gets longer.

8. It is estimated there are ..... billon stars in our galaxy

Correct Answer: B) 400.

9. If an object is moving toward us, its spectrum will experience

Correct Answer: D) Blue shift.

10. Distances between objects in space can be enormous. Which of the following distances is the longest?

Correct Answer: D) 1 million ly.

11. The Milky Way contains a large central bulge made up mostly of

Correct Answer: B) Old red stars.

12. Which type of galaxy often has a supermassive black hole in its center?

Correct Answer: B) Spiral.

13. What is the unit used to measure distances within the solar system

Correct Answer: B) Astronomical Units.

14. Which of the following is the most massive object in the solar system?

Correct Answer: A) The sun.

15. Which extraterrestrial object spews off gas and dust, producing a coma and tail around its icy body as it passes close to earth?

Correct Answer: B) A comet.

16. The universe has not start of finish in the oscillating universe theory

Correct Answer: A) True.

17. Which person is NOT credited for coming up with the Heliocentric (sun-centered) model?

Correct Answer: B) Aristotle.

18. To what did the book compare the way the galaxies move?

Correct Answer: C) Raisin-bread.

19. The description of Earth being in the "Goldilocks Zone" means what?

Correct Answer: C) The distance from Earth to the Sun is the right distance to have the necessary temperatures.

20. Which list below describes the inner planets?

Correct Answer: C) Rocky, small in size, little or no moons.