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einsteindude einsteindude
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9 years ago
What is the upper limit of stars the unaided eye can discern on a moonless night in a rural area?
A) about 3,000
B) about 30,000
C) about 300,000
D) about 3,000,000
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Conceptual Physical Science

Conceptual Physical Science


Edition: 6th
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bSharpbSharp
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