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The Universe Quiz 22 (25 MCQs)

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1. What happens to an electromagnetic wave as the frequency decreases? TEK 8.8C
2. It is estimated there are _____ billon stars in our galaxy
3. If an object is moving toward us, its spectrum will experience
4. Distances between objects in space can be enormous. Which of the following distances is the longest?
5. The Milky Way contains a large central bulge made up mostly of
6. Gravity attracts all objects towards one another.
7. Which type of galaxy often has a supermassive black hole in its center?
8. What is the unit used to measure distances within the solar system
9. Which of the following is the most massive object in the solar system?
10. Which extraterrestrial object spews off gas and dust, producing a coma and tail around its icy body as it passes close to earth?
11. The universe has not start of finish in the oscillating universe theory
12. Which person is NOT credited for coming up with the Heliocentric (sun-centered) model?
13. To what did the book compare the way the galaxies move?
14. The description of Earth being in the "Goldilocks Zone" means what?
15. Which list below describes the inner planets?
16. If you wanted to be able to look at the stars, the planets, and the moon more closely, what should you use?
17. Cosmic Microwave Background Radiation is a form of _____
18. The first particles of matter included which of the following?
19. A celestial body that is composed of Gas and emits light.
20. What is at the center of the Solar System?
21. Which has the LONGEST wavelength and, therefore, the lowest frequency/energy
22. The _____ is space and all the matter and energy in it.
23. Which of the following is hottest?
24. In 2030, a scientist discovered a black hole that was 19.8 billion light-years away through an astronomical telescope. Calculate the distance between the black hole and the Earth in parsec.
25. The _____ is a collection of large and small bodies that orbit our central star.
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