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Conceptual Questions


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.

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?

Which way do the winds circulate around an intense low-pressure region in the southern hemisphere? Why?

Suppose the Earth's atmosphere had no ozone. What consequences would the absence of ozone have for the temperature structure of the atmosphere?

Why are observers more likely to see aurorae in Canada than in Florida?

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