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What are the origin of name of the star constellations visible to the northern hemisphere?
They are originated from the greeks
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what is the origin of the name of the star constellations visible to the southern hemisphere?
the names of the star constellations were originated from the 1700 European Sailors
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Does latitude effect whats visible in the night time sky or does longitude effect it?
latitude effects what you see
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If you at directly at either one of the poles are stars circumpolar or seasonal?
Circumpolar
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Where are all the stars in the sky seasonal?
The equator
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What is the cause of the seasons?
the tilt of the earth's axis, not the distance from the sun
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Are the seasons in the northern hemisphere the same as the southern hemisphere?
No they are opposite at all times
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Where would the sun rise during the summer solstice?
the sun rises in the north east and sets in the north west
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The sun only rises directly in the east and sets directly in the rest on?
the spring and fall equinoxes
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approx what month is the summer solstice
June
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approx what month is the winter solstice
december
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approx what day is the fall equinox
september
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approx what month is the spring equinox
March
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altitude of polaris in seattle?
approx 47.5 degrees
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What are the phases of the moon?
new moon, waxing crescent, first quarter, waxing gibbous, full moon, waning gibbous, third quarter, waning crescent
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How long does it approx take for the moon to go through one full cycle?
4 weeks or one month
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When it is a full moon, what time will the moon rise and set?
Dusk to Dawn
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at first quarter what time does the moon rise and what time does it set.
noon to midnight
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what time does a new moon rise and what time does it set?
dawn to dusk stays with the sun
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at third quarter what time does the moon rise and what time does it set?
midnight to noon
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why is it more common for people to see a total lunar eclipse
half the earth sees it
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what four things indicate to us what a planet is compared to a star?
- 1) Bright
- 2) no twinkle
- 3) Color
- 4) they move, retrograde motion
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Along what line do the planets move on
they move on the ecliptic, the path of the sun
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Name the order of the planets from closest to the sun to furthest, that we can see.
mercury, venus, mars, jupiter, saturn
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4 major contributions of Aristotle
- 1) different physical laws apply to the heavens
- 2) celestial objects are perfect and eternal
- 3) celestial objects move in circles
- 4) endorsed the geocentric model
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3 major contributions of Ptolemy
- 1) known for his geocentric modes which lasted 1500 years
- 2) used a system of epicycles+deferents to explain retrograde
- 3)special explanation for max. elong of murcury and venus
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2 contibutions of copernicus
- 1) known for his heliocentric model of th eunivers
- 2) correct explanation for day and night seasons, max elongation of mercury plus venus, retrograde motion etc
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Tycho
- the man with the "golden" nose
- devoted his life to make precise measurements of planet motions
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kepler, major contributions
- 1) 3 laws of planetary motions
- 2) plaets orbit the sun in ellipses
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Order of famous people from first to last
Aristotle, Ptolemy, Copernicus, Tycho, Kepler
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