
ASTROLABE: Free Natal Chart / Horoscope
Astrology: Free Natal Chart (Horoscope) from Astrolabe, the leader in automated birth chart reports, relationship reports, and transit and progressed horoscope reports. The largest publisher of Computer Astrology titles related to Astrology and Horoscopes.
Astrolabe - Wikipedia
An astrolabe (Ancient Greek: ἀστρολάβος, romanized: astrolábos, lit. 'star-taker'; Arabic: ٱلأَسْطُرلاب, romanized: al-Asṭurlāb; Persian: ستارهیاب, romanized: Setāreyāb) is an astronomical instrument dating to ancient times. It serves as a star chart and physical model of visible half-dome of the sky.
Astrolabe | Definition, History, & Facts | Britannica
Mar 12, 2025 · astrolabe, any of a type of early scientific instrument used for reckoning time and for observational purposes. One widely employed variety, the planispheric astrolabe, enabled astronomers to calculate the position of the Sun and prominent stars with respect to both the horizon and the meridian.
Astrolabe - World History Encyclopedia
Aug 31, 2023 · The astrolabe is an astronomical instrument used from around the 6th century to measure time and position by determining the altitude of heavenly bodies like the Sun and certain stars.
Astrolabe | What it is, how it works, who invented it, what it is for ...
The astrolabe is a projection of a celestial sphere, with a graduated circumference and a needle, with a point of sight that rotates around it. Normally, it focuses on the star, by the object’s sorbet, and another person has to read the string number on the astrolabe’s scale.
The Astrolabe: How to Make One and Understanding Its Use
Jul 5, 2012 · Line art drawing of astrolabe. What Is an Astrolabe? The mariner's astrolabe was developed over two thousand years ago. It was an instrument of navigation used to measure celestial altitude. Celestial altitude is the relative "height" of a star, planet, or other celestial object above the horizon.
Astrolabe - History Tools
Nov 19, 2023 · Today I want to walk you through the fascinating history of one of the most important scientific instruments of the medieval world – the astrolabe. Used by astronomers, astrologers, and navigators for over two millennia, this versatile analog calculator helped decode the mysteries of the cosmos.
The astrolabe: the Swiss Army knife of ancient celestial navigation
Dec 3, 2021 · For centuries, the astrolabe was one of the fanciest pieces of astronomical technology employed by humans. It’s famous for guiding ships, acting as a sort of analog computer that helped...
The Astrolabe: A Mathematical Jewel | UC Geography
Any instrument used to measure altitudes above the horizon can be called an astrolabe, although there is a major difference between the classic “planispheric astrolabe” and a “mariner’s astrolabe.” “Astrolabes are used to show how the sky looks at a specific place at a given time.
Astrolabe - Simple English Wikipedia, the free encyclopedia
The astrolabe is a tool using the positions of the stars or sun. It was formerly used in navigation to help explorers and sailors figure out where they were. They found their distance north and south of the equator by measuring the distance of the sun and stars above the horizon .