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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
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
Does latitude effect whats visible in the night time sky or does longitude effect it?
latitude effects what you see
If you at directly at either one of the poles are stars circumpolar or seasonal?
Where are all the stars in the sky seasonal?
What is the cause of the seasons?
the tilt of the earth's axis, not the distance from the sun
Are the seasons in the northern hemisphere the same as the southern hemisphere?
No they are opposite at all times
Where would the sun rise during the summer solstice?
the sun rises in the north east and sets in the north west
The sun only rises directly in the east and sets directly in the rest on?
the spring and fall equinoxes
approx what month is the summer solstice
approx what month is the winter solstice
approx what day is the fall equinox
approx what month is the spring equinox
altitude of polaris in seattle?
approx 47.5 degrees
What are the phases of the moon?
new moon, waxing crescent, first quarter, waxing gibbous, full moon, waning gibbous, third quarter, waning crescent
How long does it approx take for the moon to go through one full cycle?
4 weeks or one month
When it is a full moon, what time will the moon rise and set?
Dusk to Dawn
at first quarter what time does the moon rise and what time does it set.
noon to midnight
what time does a new moon rise and what time does it set?
dawn to dusk stays with the sun
at third quarter what time does the moon rise and what time does it set?
midnight to noon
why is it more common for people to see a total lunar eclipse
half the earth sees it
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
Along what line do the planets move on
they move on the ecliptic, the path of the sun
Name the order of the planets from closest to the sun to furthest, that we can see.
mercury, venus, mars, jupiter, saturn
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
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
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
- the man with the "golden" nose
- devoted his life to make precise measurements of planet motions
kepler, major contributions
- 1) 3 laws of planetary motions
- 2) plaets orbit the sun in ellipses
Order of famous people from first to last
Aristotle, Ptolemy, Copernicus, Tycho, Kepler