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Because the Earth's axis of rotation currently points very near the star Polaris. This is a coincidence of timing; if we were living several thousand years ago, then it would be Vega that appeared to be fixed in the night sky (the Earth actually wobbles very slowly as it spins, taking about 23,000 years to make a complete circle).

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12y ago

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Related Questions

What is the altitude of polaris above the horizon at the tropic of cancer?

Polaris will be 23.5 degrees above the northern horizon when viewed from the Tropic of Cancer.


What is the altitude of polaris above the northern horizon for observer a?

90 degrees


You are standing on Earths equator so Which way is Polaris the North star?

If you are right at the Equator, you will not be able to see Polaris. If you could, it would be right on the horizon, but ground haze and obstructions would almost certainly hide it from view.


What is the relationship between the latitude of a place in the Northern Hemisphere and the angle of Polaris above the horizon at that place?

In the Northern Hemisphere, the angle of Polaris above the horizon corresponds directly to the latitude of the location. Specifically, at the North Pole (90°N), Polaris is directly overhead at an angle of 90 degrees, while at the equator (0° latitude), Polaris is on the horizon at 0 degrees. Thus, as one moves northward, the angle of Polaris increases, reflecting the increase in latitude.


What happens to the altitude of polaris as you move west?

The angle of Polaris above the northern horizon increases.


What places on earth is polaris seen on the horizon?

Where on Earth are you if Polaris is on your horizon?


Where would you be if Polaris is seen on the horizon?

Your at the equator if you see Polaris at the horizon


Where would be if the Polaris is seen on the horizon?

Your at the equator if you see Polaris at the horizon


What is the altitude of Polaris above the horizon at the tropic of Capricorn?

At the Tropic of Capricorn (approximately 23.5 degrees south latitude), Polaris, the North Star, is not visible and is located below the horizon. Polaris can only be seen in the Northern Hemisphere and its altitude above the horizon increases the further north you go.


What is altitude of polaris at equator?

The altitude of Polaris at the equator is 0 degrees. This means that Polaris is directly on the horizon and not visible at all from the equator. Polaris can only be seen in the northern hemisphere at latitudes above 23.5 degrees.


What is the approximate latitude of Polaris in New York?

Polaris (the "North Star") doesn't have a latitude. But that's OK, because latitude is not what you're looking for. You're really trying to ask for its "elevation" ... the angle between the horizon and Polaris in the sky. That angle is equal to the observer's north latitude, so it would be easy to answer if we knew what location you're actually interested in. Here are a few possibilities: -- Massena NY . . . . . 44.9° above the northern horizon -- Rochester NY . . . . 43.2° above the northern horizon -- Buffalo NY . . . . . . 42.9° above the northern horizon -- 85th St Transverse in Central Park, Manhattan . . . 40.8° above the northern horizon


How do you measure latitude by polaris?

Polaris (or the North Star) is almost directly above the North pole. This means that when you stand on the north pole and look directly up, you will see Polaris. This also means that when you stand at the equator and look directly north, you will see Polaris on the horizon. You can not see Polaris from the Southern Hemisphere. The angle Polaris is above the horizon is equal to the degree latitude that you are standing on. Therefore at the equator, Polaris is 0 degrees above the horizon and at the north pole, Polaris is 90 degrees above the horizon.