The astrolabe is a type of scientific instrument used many years ago that was used to calculate time and for observation purposes. It gave a flat image of the celestial sphere and the main circles.
Scientists Used The Astrolabe To Map The Stars. Greeks Made Early. The astrolabe is a type of scientific instrument used many years ago that was used to calculate time and for observation purposes. An exploded view of an astrolabe, an instrument that was invented by the greek scientist ptolemy.

A widely elaborated variety of this instrument, the planisphere astrolabe, allowed astronomers to calculate the position of the sun and stars with respect to both the horizon and the meridian.
The astrolabe is a type of scientific instrument used many years ago that was used to calculate time and for observation purposes. It gave a flat image of the celestial sphere and the main circles. The astrolabe is a type of scientific instrument used many years ago that was used to calculate time and for observation purposes. A widely elaborated variety of this instrument, the planisphere astrolabe, allowed astronomers to calculate the position of the sun and stars with respect to both the horizon and the meridian.
A widely elaborated variety of this instrument, the planisphere astrolabe, allowed astronomers to calculate the position of the sun and stars with respect to both the horizon and the meridian. It gave a flat image of the celestial sphere and the main circles. The astrolabe is a type of scientific instrument used many years ago that was used to calculate time and for observation purposes. An exploded view of an astrolabe, an instrument that was invented by the greek scientist ptolemy.
An exploded view of an astrolabe, an instrument that was invented by the greek scientist ptolemy.
An exploded view of an astrolabe, an instrument that was invented by the greek scientist ptolemy. It gave a flat image of the celestial sphere and the main circles. A widely elaborated variety of this instrument, the planisphere astrolabe, allowed astronomers to calculate the position of the sun and stars with respect to both the horizon and the meridian. An exploded view of an astrolabe, an instrument that was invented by the greek scientist ptolemy.
The astrolabe is a type of scientific instrument used many years ago that was used to calculate time and for observation purposes.
A widely elaborated variety of this instrument, the planisphere astrolabe, allowed astronomers to calculate the position of the sun and stars with respect to both the horizon and the meridian. The astrolabe is a type of scientific instrument used many years ago that was used to calculate time and for observation purposes. A widely elaborated variety of this instrument, the planisphere astrolabe, allowed astronomers to calculate the position of the sun and stars with respect to both the horizon and the meridian. It gave a flat image of the celestial sphere and the main circles.
It gave a flat image of the celestial sphere and the main circles.
An exploded view of an astrolabe, an instrument that was invented by the greek scientist ptolemy. It gave a flat image of the celestial sphere and the main circles. An exploded view of an astrolabe, an instrument that was invented by the greek scientist ptolemy. The astrolabe is a type of scientific instrument used many years ago that was used to calculate time and for observation purposes.
It gave a flat image of the celestial sphere and the main circles. An exploded view of an astrolabe, an instrument that was invented by the greek scientist ptolemy. It gave a flat image of the celestial sphere and the main circles. A widely elaborated variety of this instrument, the planisphere astrolabe, allowed astronomers to calculate the position of the sun and stars with respect to both the horizon and the meridian.