The sextant
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The astrolabe
yes they do because a astrolobe is a compass so yes the people today use a astrolabe / compass
Yes he did
The astrolabe
The astrolabe
Astrolabe
Greek astron "star" and lambanein "to take".
From Greek astron "star" and lambanein "to take". It permits astral navigation and mapmaking.
Hipparchus, or more correctly Hipparchos (Greek: Ἵππαρχος,Hipparkhos; c. 190 BC - c. 120 BC)
Hipparchus, or more correctly Hipparchos (Greek: Ἵππαρχος,Hipparkhos; c. 190 BC - c. 120 BC)
compass, and the astrolabe
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
I used an astrolabe because i felt like it.
Astrolabe
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.