Science
What space object did some ancient cultures rely on to tell the passage of time?
More Questions from Science
A covering of ice crystals on the ground is known as what?
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Which planet is the impact crater named the "Caloris Basin" found?
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Which scientific term is defined as a physical particle with a negative charge?
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What would you call a statement of expected future occurrences?
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What was so unusual about the Mercury space flights?
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Which 5" telescope would have an optical tube with the shortest length?
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During the seventeen hundreds, what creature was thought to excrete blood through its skin?
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