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| Skiled observers who created buildings aligned with objects in the sky. |
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| Located and watched the movement of the sun, stars, and moon. |
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| The Earliest record of astronomy |
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| A circle of stones aligned with solstices. |
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| They used the sky to keep track of time. |
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Definition
| Invented astrolabe, algebra, and number system used today. |
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-named 800 stars
-predicted eclipses |
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Definition
-longest day of the year (most sunlight)
-Sunlight decreases after soltice.
-First day of summer (June 21st) |
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Term
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Definition
-Greek
-Explained phases of the moon
-explained how/why eclipses happen.
-proved that Earth was a sphere |
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