Archaeoastronomy Final Study Guide
Archaeoastronomy Final Study Guide PHYS 10293
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This 2 page Study Guide was uploaded by Julia Machuga on Monday May 2, 2016. The Study Guide belongs to PHYS 10293 at Texas Christian University taught by Dr. Kat Barger in Spring 2016. Since its upload, it has received 22 views. For similar materials see Archaeoastronomy in Physics 2 at Texas Christian University.
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Date Created: 05/02/16
Julia Machuga Archaeoastronomy Final Study Guide 5/1/16 In general, objects rise in the east & set in the west, because the Earth rotates (Sun, moon, stars) Stars near the north & south poles may not rise or set because they are circumpolar All stars are circumpolar at the North and South poles Stars near the North Celestial pole are always visible from Fort Worth 1 solar day = 24 hours 1 sidereal day = slightly shorter than a solar day It takes a full month for a new zodiac constellation to be high in the sky As Earth moves around the sun, its tilt affects how high the sum moves in the sky throughout the year The Earth’s tilt causes the arctic circle… longer days and shorter nights at the poles In summer, the sun is higher ahead In winter, the sun is lower Crescent moon: sliver Waxing moon: becoming more lit up Waning moon: becoming darker From when the moon crosses the meridian, add 6 hours to find the time it sets and subtract 6 hours to find the time it rises Practice Questions: At the North Pole, you see a star directly overhead (zenith). In what direction will you have to look to see this star set? This star will never set At TCU, you see a star directly overhead (zenith). In what direction will you have to look to see this star set? Northwest If the full moon crosses the meridian at midnight, it roses 6 hours earlier How much time is there between when a star rises & sets? Depends on the star What time does the third quarter moon cross the meridian? 6 am (and it rises at midnight)
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