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If an observer on earth views Polaris on the horizon where is the observer located?
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What places on earth is polaris seen on the horizon?
Where on Earth are you if Polaris is on your horizon?
Where on Earth are you if Polaris is on your horizon?
Equator
If an observer on earth measures the altitude of polaris and finds it to be 0 degrees where is the observer?
At the Equator.
What is the point to an observer the earth and sky appear to meet?
The horizon.
What does the earth have that allows the latitude of an observer on earth's surface to be determined by measuring altitude of Polaris?
Axial tilt.spherical shape
Where would an observer on earth's equator find the NCP?
Exactly due north of him, and on the horizon.
What causes the circumpolar stars to appear to move around polaris?
The apparent daily movement of the stars in the sky is a reflection of Earth's rotation. Earth rotates around its axis; as a reflection of this, the entire sky rotates around an "axis", which is simply the extension of Earth's axis. By chance, the star Polaris is almost exactly on the line of the Earth's axis, extended into space. So, as the Earth rotates the stars appear to rotate around Polaris. Circumpolar stars never go below the observer's horizon, so they just seem to go in circles around Polaris.
If you were located on the Earth's equator and were observing the nighttime sky you would find the North Celestial Pole lying at on your?
If you are at the equator, the Earth's celestial pole would be at the northern horizon. However, because of atmospheric haze, you would not be able to see Polaris. Below about 5 degrees north, Polaris is not visible.
How does Polaris rule support the shape of the earth?
the degree of polaris on the horizon is your latitude. Shows the curvature of the earth. When the degree of polaris is 1 degree greater, you move the some distance if you move another degree. Shows how everything is equally distant from the center.
What does the Horizon great circle on the celestial sphere represent?
A circle through the Earth's sphere perpendicular to the observer's latitude
What is polaris longitude?
Polaris is a star, not located on the surface of the Earth, so it doesn't have a longitude.
What is the altitude of Polaris on a clear night?
The altitude doesn't depend much on whether the night is clear.If you live in the northern hemisphere, the altitude of Polaris above the horizon will APPROXIMATELY be equal to your latitude. If you live in the southern hemisphere, Polaris will be BELOW the horizon, as many degrees as you are south of the equator.
