Test Bank For Essential Cosmic Perspective 7th Edition By Bennett

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Edition:  7th Edition

Format: Downloadable ZIP Fille

Resource Type: Test bank

Duration: Unlimited downloads

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Test Bank For Essential Cosmic Perspective 7th Edition By Bennett

 

MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
1) The farthest bright galaxies that modern telescopes are capable of seeing are up to
A) 1 million light-years away.
B) 10 million light-years away.
C) 1 trillion light-years away.
D) 1 billion light-years away.
E) 10 billion light-years away.

2) Suppose we imagine the Sun to be about the size of a grapefruit. How big an area would the orbits
of the eight planets of the Solar System cover?
A) the size of a small city
B) the size of a western state (e.g., Colorado)
C) the size of a typical dorm room
D) the size of a typical campus building
E) the size of a typical campus

3) Earth is made mostly of metals and rocks. Where did this material come from?
A) It was made by nuclear fission of uranium and other radioactive materials.
B) It was created by chemical reactions in interstellar space.
C) It was produced in the Big Bang.
D) It was produced by nuclear fusion in stars.
E) It was made by our Sun.

4) What is nuclear fusion?
A) the process of splitting nuclei to produce energy
B) the process of turning matter into pure energy
C) an explosion caused by putting together two volatile chemicals
D) a process that only occurs in bombs
E) the process of combining lightweight nuclei to make heavier nuclei

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

6) Light takes approximately one second to travel from the Earth to the Moon. This means that the
Moon is approximately
A) twice the distance from the Earth to the Sun.
B) 1 light year from the Earth.
C) 1 astronomical unit from the Earth.
D) 3,000 kilometers from the Earth.
E) 300,000 kilometers from the Earth.

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