In what direction does the earth rotate?
In what direction do we erciece the sky turning?
From west to east!
From east to west!
What is the celestial sphere?
What two points does the celestial sphere turn around?
The sphere heald earth and space, space seemed to rotate around earth.
North Celestial Pole, South Celestial Pole
How do we define the horizon for any person standing on earth?
What would be the horizon for someone standing at the north pole?
the small circle of the inner sphere of the celestial equator that is tangent to the position of the observer.
How do stars appear to move around the sky at the north pole?
How do stars appear to rise and set for someone at the equator?
Stars appear to move in a circle around the sky.
Stars appear to rise straight up in the esat and straight down in the west.
for someone living at a midnorthern latitude, where would you find the NCP?
How do stars near the NCP turn around the pole?
The NCP would be found at the angle you are standing.
Stars near the NCP are counter clockwise.
What is the tilt of the earths axis compared to the ecliptic?
When it is summer in the nothern hemisphere,what season is it in the southern hemisphere?
On what two special dates will the sun appear to be on the celestial euator?
How many hours of dayight will each have?
Vernal equinox-March 21-------------Autumnal equinox-Sept.21
12 hours a day.
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