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How many stars can you see with your naked eye on a clear, moonless night from a dark location? |
c) a few thousand |
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Which of the following best describes the modern definition of a constellation? |
a) a region of the celestial sphere |
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Which of the following statements about the celestial equator is true at all latitudes? |
e) It represents an extension of Earth’s equator onto the celestial sphere |
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What is the ecliptic? |
a) the Sun’s apparent path along the celestial sphere |
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Which of the following correctly describes the meridian in your sky? |
e) a half-circle extending from your horizon due north, through your zenith, to your horizon due south |
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What is a circumpolar star? |
e) a star that always remains above your horizon and appears to rotate around the celestial pole |
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We can describe a position on Earth’s surface by stating its: |
d) latitude and longitude |
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Orion is visible on winter evenings in the northern hemisphere but not summer evenings because of: |
e) the location of Earth in its orbit |
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Why do we have seasons on Earth? |
d) As Earth goes around the Sun and Earth’s axis remains pointed toward Polaris, the Northern and Southern hemisphere alternately receive more and less direct sunlight. |
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Which of the following statements about the constellations is false? |
e) Most constellions will be unrecognizable hundreds of years from now |
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You are standing on Earth’s equator. Which way us Polaris, the North star? |
b) on the northern horizon |
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How many arc-seconds are in 1 degree? |
b) 3,600 |
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When we look into the band of light in our sky that we call the Milky Way, we can see we distant galaxies? Why or why not? |
c) No, because the stars, gas, and dust of the Milky Way block us from seeing them, however we can see close galaxies |
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