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The astrolabe must be level in order to read the altitudeproperly.

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How do you read an astrolabe?

To read an astrolabe, level the plum bob, the degree scale, the altitude, and the protractor.


When the astrolabe is leveled in order to read the what?

When the astrolabe is leveled, it allows the user to accurately measure the altitude of celestial objects above the horizon. This information can then be used to determine one's latitude on Earth. By aligning the astrolabe and leveling it properly, the user can obtain precise readings for astronomical navigation.


How does one use an astrolabe to determine the altitude of an object in sky?

To determine the altitude of an object in the sky using an astrolabe, you would align the sighting arm with the object. Then, you would read the degree scale on the astrolabe where the sighting arm intersects it. This reading would give you the altitude of the object above the horizon.


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read the book u will find........


How is an astrolabe like a protractor?

An astrolabe and a protractor are both instruments used for measuring angles. The astrolabe, an ancient tool, was primarily used in astronomy for determining the positions of stars and celestial bodies, while a protractor is a simpler, more modern device used mainly in geometry for measuring angles in two-dimensional shapes. Both tools share a circular design and allow users to read angles, but the astrolabe incorporates more complex features for astronomical calculations.


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.


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One must be able to read and write (at least at the 3rd grade level) in order to be allowed to vote in Arizona.?

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