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How you would use an astrolabe to find the altitude of a star?
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A astrolabe is a star map drawn on a metal plate?
Yes; An astrolabe is a star map drawn on a metal plate.
Why dont you use stars for navigation anymore?
In the northern hemisphere you can find north by identifying the north star, Polaris. With appropriate equipment you can measure its apparent altitude over the horizon, thus giving you your longitude.
What is the position of a star along the horizon?
Altitude.
What location will the highest altitude of the star Polaris be observed?
If you are at the North Pole, you'll see the star Polaris near the zenit (altitude almost 90 degrees).
Latitude and longitude of the north star?
there is no latitude or longitude of north star it just have altitudeand if u are in NH u can find your latitude if know what is altitude of north Star
How do you may astrolabe on alchemy classic?
astrolabe=star+mechanical clock
How do you make astrolabe on alchemy classic?
Astrolabe: star + Mechanical Clock
Why is an astrolabe important to exploration?
An astrolabe is a historical astronomical instrument used by astronomers, navigators, and astrologers. Its many uses include locating and predicting the positions of the Sun, Moon, planets, and stars, determining local time given local latitude and vice-versa. There is often confusion between the astrolabe and the mariner's astrolabe. While the astrolabe could be useful for determining latitude on land, it was an awkward instrument for use on the heaving deck of a ship or in wind. The mariner's astrolabe was developed to address these issues. The mariner's astrolabe, also known as a sea astrolabe, was used to determine the latitude of a ship at sea by measuring the sun's noon altitude (declination) or the meridian altitude of a star of a known declination. Taken from Wikipedia
A astrolabe is a star map drawn on a metal plate?
Yes; An astrolabe is a star map drawn on a metal plate.
Why is astrolabe called astrolabe?
"Astr" is from the word for "star" and "labe" is from the word "to take". It is an instrument used to take the positions of celestial bodies, hence its label as "star-taker".
What is the construction in astrolabe?
Greek astron "star" and lambanein "to take".
How do you may planisphere on alchemy classic?
planisphere=star chart+astrolabe
What would be the altitude of Polaris the North star for an observer located at 64oN latitude?
The altitude of polaris for an observer is always the same as your latitude so it would be 64oN
What would be the altitude of the north star in Fairbanks Alaska?
The altitude of the North Star will not change from any point on Earth. However, the declination changes depending upon where you are and when - It is less than 90 degrees.
What is a short explanation of the astrolabe?
An astrolabe is a tool used for navigation by sailors at sea. It can be used to find one's latitude by looking at the north star, and general location. The astrolabe finds the angle between the horizon and an object being observed.
You can measuring the altitude of a star by measuring the angle between your horizon and the star using a?
We would typically use a sextant to measure the angle of a star above the horizon.
Why did Columbus use an astrolabe?
An astrolabe is an angle-measuring device, vaguely similar to a sextant or an octant. Holding the astrolabe by a cord, one sights through a set of peepholes to observe a star, and you can then read the angle of elevation of the star above the horizon. It's not especially accurate, particularly not when on the pitching deck of a ship at sea. Columbus would have used this device to measure the elevation of the north star Polaris above the horizon, giving him his latitude (at least, approximately...). In order to calculate longitude, one also needs an accurate clock, which Columbus did NOT have.
