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1 | | Describe how a telescope would have to be tilted throughout a year to point at a star whose direction is in the Earth's orbital plane. |
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2 | | What do you think would happen to the size of the shift due to aberration if the speed of light were only half as large as it actually is? |
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3 | | Which way do the winds circulate around an intense low-pressure region in the southern hemisphere? Why? |
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4 | | Suppose the Earth's atmosphere had no ozone. What consequences would the absence of ozone have for the temperature structure of the atmosphere? |
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5 | | Why are observers more likely to see aurorae in Canada than in Florida? |
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