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BethAnn43

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BethAnn43
What causes different stars to appear in the sky at different times of the year?
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BethAnn43
How can you use a planisphere to demostrate how the Big Dipper can sometimes appear upside down
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BethAnn43
How could you use a planisphere to demonstrate how the Big Dipper can sometimes appear upside down
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BethAnn43
How could you use a planisphere to demonstrate how the Big Dipper can sometimes appear upside down

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