Indicate whether the statement is true or false.
1. The relative distance between planets increases with distance from the Sun.
a. True
b. False
ANSWER: True
2. A kilometer contains 1 million meters.
a. True
b. False
ANSWER: False
3. A light-year is the distance light travels in one year.
a. True
b. False
ANSWER: True
4. The Milky Way and the Milky Way Galaxy are the same thing.
a. True
b. False
ANSWER: False
5. A supercluster refers to a large group of stars within the Milky Way.
a. True
b. False
ANSWER: False
6. The solar system is larger than the Milky Way Galaxy.
a. True
b. False
ANSWER: False
7. An astronomical unit is larger than a light-year.
a. True
b. False
ANSWER: False
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Chapter 01 15e
8. The numbers 9.81×105 and 981,000 are equivalent.
a. True
b. False
ANSWER: True
9. Our universe includes the planets orbiting the Sun, the Sun, and all the asteroids and comets in between and
around our system.
a. True
b. False
ANSWER: False
10. The Moon is a large moon compared to the size of its host planet.
a. True
b. False
ANSWER: True
11. Life and human life are the same thing.
a. True
b. False
ANSWER: False
12. The metric system is a decimal system.
a. True
b. False
ANSWER: True
13. The name of our planetary system orbiting our Sun is called the Milky Way Galaxy.
a. True
b. False
ANSWER: False
14. The Milky Way Galaxy is alone; that is, not a part of a group or cluster.
a. True
b. False
ANSWER: False
15. Our Sun was born in a spiral arm.
a. True
b. False
ANSWER: True
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Chapter 01 15e
16. The Sun is a star in the Milky Way Galaxy.
a. True
b. False
ANSWER: True
17. The scientific method is a simple, mechanical way of grinding facts into understanding.
a. True
b. False
ANSWER: False
18. The nearest star is 1 ly from the solar system.
a. True
b. False
ANSWER: False
19. 3.42 × 107 km is the same as 3.42 × 104 m.
a. True
b. False
ANSWER: False
20. The Big Bang is a point in space.
a. True
b. False
ANSWER: False
21. The average distance from Earth to the Sun is 1 AU.
a. True
b. False
ANSWER: True
22. Life began on land.
a. True
b. False
ANSWER: False
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Chapter 01 15e
Indicate the answer choice that best completes the statement or answers the question.
23. By how much is the FOV (field of view) enlarged from Figure 1 to Figure 3?
a. 100
b. 1 × 105
c. 1,000
d. 10,000
ANSWER: d
24. Which shape best describes how stars look when seen through a telescope?
a. five-point star
b. disk
c. point
d. seven-point star
ANSWER: c
25. Earth has a radius of about 6400 km, the Sun has a radius of about 7.0×105 km, and a rubber ball has a radius of
6.4 cm. If you were to construct a scale model of the solar system using the rubber ball to represent Earth, what
is the radius of a ball needed to represent the Sun in your model?
a. 7.0 × 105 cm
b. 7.0 cm
c. 700 cm
d. 70 cm
e. 7000 cm
ANSWER: c
26. Scientific notation is used in science because
a. it makes it easy to write big or small numbers.
b. all astronomical distances are expressed in metric units.
c. it makes conversions between units easy.
d. it is the oldest form of measurement.
ANSWER: a
27. Which is an incorrect ordering of the planets' distances from the Sun, from nearest to furthest?
a. Mercury, Venus, Uranus, Neptune
b. Earth, Mars, Jupiter, Saturn
c. Venus, Mars, Jupiter, Neptune
d. Earth, Venus, Jupiter, Uranus
ANSWER: d
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