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Test Bank for The Essential Cosmic Perspective, 9th Edition by Jeffrey O. Bennett $29.49   Add to cart
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Test Bank for The Essential Cosmic Perspective, 9th Edition by Jeffrey O. Bennett

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Test Bank for The Essential Cosmic Perspective, 9e 9th Edition by Jeffrey O. Bennett, Megan O. Donahue; Nicholas Schneider; Mark Voit. Full chapters test bank included A Modern View of the Universe Discovering the Universe for Yourself The Science of Astronomy PART II: KEY CONCEPTS FOR AST...

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  • June 6, 2023
  • 722
  • 2022/2023
  • Exam (elaborations)
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  • Astronomy
  • Astronomy

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The Essential Cosmic Perspective, 9e (Bennett et al.)
Chapter 1 A Modern View of the Universe

Section 1.1

1) About where is our solar system located within the Milky Way Galaxy?
A) at the center of the galaxy
B) about 10 percent of the way from the center of the galaxy to the edge of the galactic disk
C) about halfway from the center of the galaxy to the edge of the galactic disk
D) near the far edge of the galactic disk
E) in the halo of the galaxy above the galactic disk
Answer: C

2) When we speak of the entire universe (as opposed to the observable universe), we mean
________.
A) all the stars and galaxies that we can see with telescopes
B) all material located within about 14 billion light-years of Earth
C) the sum total of all matter and energy
D) all the matter in galaxies, but not the spaces between the galaxies
Answer: C

3) Which of the following is the smallest distance?
A) Diameter of a typical planet
B) 1 light-second
C) 1 AU
D) Diameter of a typical star
Answer: A

4) Which of the following is the largest distance?
A) Diameter of a typical galaxy
B) Diameter of Pluto's orbit
C) Distance to the nearest star (other than our Sun)
D) 1 light-year
Answer: A

5) Which of the following statements does not use the term light-year in an appropriate way?
A) It's about 4 light-years from here to Alpha Centauri.
B) It will take me light-years to complete this homework assignment.
C) A light-year is about 10 trillion kilometers.
D) It will take the Voyager spacecraft about 20,000 years to travel just 1 light-year.
E) The Milky Way Galaxy is about 100,000 light-years in diameter.
Answer: B




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