AS101 Study Guide - Quiz Guide: Celestial Pole, Celestial Equator, Right Ascension

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27 Feb 2013
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AS 101 Quiz #2 Correct Answers appear in Bold Green
Question 1
1 / 1 point
Which of the following best describes the constellations as the word is used by modern astronomers?
Question options:
They are twelve patterns of stars along the ecliptic, named after mytholoical figures.
They are 88 groups of stars, with members of each group physically close to each other
in space.
They are 88 well-defined regions on the celestial sphere.
They are 88 patterns of stars named after mythological figures and animals
Question 2
1 / 1 point
At what location on Earth is an observer who has the South Celestial Pole directly overhead?
Question options:
Question 3
1 / 1 point
When you observe a star near the celestial equator for several hours, you probably notice which of the
following about its appearance?
Question options:
It moves mostly from north to south relative to the horizon.
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It stays in the same place relative to the horizon.
It moves mostly from south to north relative to the horizon.
It moves mostly from west to east relative to the horizon.
It moves mostly from east to west relative to the horizon.
Question 4
1 / 1 point
The next few questions refer to a list of stars listed with their positions on the celestial sphere.
Name Right Ascension Declination
Alcor 13h25m +55
Betelgeuse 05h55m +07
Pollux 07h45m +28
Vega 18h36m +39
Sirius 06h45m -17
Canopus 06h23m -53
Alpha Cent. 14h39m -61
Procyon 07h39m +05
Choose which of these stars are circumpolar (always above the horizon, never set) for an observer at
latitude 43 N (the latitude of Waterloo.)
Question options:
Alcor
Betelgeuse
Pollux
Vega
Sirius
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Document Summary

As 101 quiz #2 correct answers appear in bold green. They are twelve patterns of stars along the ecliptic, named after mytholoical figures. They are 88 groups of stars, with members of each group physically close to each other in space. They are 88 well-defined regions on the celestial sphere. They are 88 patterns of stars named after mythological figures and animals. At the earth"s south pole (90 south latitude) At the earth"s north pole (90 north latitude) It moves mostly from north to south relative to the horizon. It stays in the same place relative to the horizon. It moves mostly from south to north relative to the horizon. It moves mostly from west to east relative to the horizon. It moves mostly from east to west relative to the horizon. Choose which of these stars are circumpolar (always above the horizon, never set) for an observer at latitude 43 n (the latitude of waterloo. )

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