an instrument formerly used to measure the altitude of stars and planets [Greek astron star + lambanein to take] An ancient instrument used widely in medieval times by navigators and astronomers to determine latitude, longitude, and time of day. The device employed a disk with 360 degrees marked on its circumference. Users took readings from an indicator that pivoted around the center of the suspended device like the hand of a clock. The astrolabe was a navigational instrument formerly used for taking bearings of the sun and stars replaced by the sextant in the 18th century I hope this helped dude...
An astrolabe is an old instrument used to calculate the position of celestial bodies. Here are some sentences.I found an antique astrolabe in an old store.An astrolabe was used before the sextant was invented.Polish that astrolabe so it doesn't tarnish.
The scientist used an astrolabe to find the altitude of the sun and stars.
what does aastrolabe
Astrolabe, the son of Heloise and Abelard, went on to become a successful canon lawyer. There is no record of Astrolabe having children, so it is unclear if he had descendants.
The astrolabe was invented by the ancient Greeks, specifically by Hipparchus in the 2nd century BCE.
compass, and the astrolabe
== == the astrolabe is to find the altitude of a stellar object
The word astrolabe is a noun. The plural is astrolabes.
astrolabe=star+mechanical clock
Astrolabe: star + Mechanical Clock
An astrolabe is an old instrument used to calculate the position of celestial bodies. Here are some sentences.I found an antique astrolabe in an old store.An astrolabe was used before the sextant was invented.Polish that astrolabe so it doesn't tarnish.
An astrolabe helped sailors because it could determine any direction based on the position of the stars. This is why the astrolabe helped sailors.
The scientist used an astrolabe to find the altitude of the sun and stars.
what does aastrolabe
To read an astrolabe, level the plum bob, the degree scale, the altitude, and the protractor.
The astrolabe must be level in order to read the altitudeproperly.
Cartography navigational compass astrolabe aircraft