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What of these inventions greatly contributed to the expansion of sea exploration in the 1400s?
The astrolabe and the compass.
What two inventions made long distance sea exploration possible in the 1400s?
The compass and the astrolabe.
Why is an astrolabe important to exploration?
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
What were the improvements in technology that aided exploration?
They built a ship for long voyages.They also borrowed instruments from other cultures,they tracked their direction with a compass, Chinese invention.they also used the astrolabe.
Use the word Astrolabe in a sentence?
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.
What tools did Cartier use on his exploration?
astrolabe
What of these invention greatly contributed to the expansion of sea exploration in the 1400s?
The astrolabe and the compass.
What of these inventions greatly contributed to the expansion of sea exploration in the 1400s?
The astrolabe and the compass.
Is it true that the two navigational instruments that had the greatest impact on exploration were the astrolabe and printing press?
true
What two inventions had the necessary technology to make sea exploration possible in the 1400s?
the astrolabe and the compass
What two inventions made long distance sea exploration possible in the 1400s?
The compass and the astrolabe.
Did Europeans use compasses in the age of exploration?
Yes. In fact, the Song Dynasty (which was Chinse) invented the compass and the astrolabe. The age of European exploration was AFTER Chinese dynasties.
What does improved cartography lines of latitude and longitude compass and astrolabe have in common?
They all made exploration easier
Which best explains how astrolabe made voyages of exploration possible?
With it they could figure out direction and plot a course.
Which best explains how the astrolabe made voyages of exploration possible?
It allowed sailors to know their north-south location.
What technological development enabled European navigators to determine their location during the age of exploration?
Lateen sail
What technological improvements made exploation by sea possible in the 1400?
The compass and the astrolabe made navigation by sea, and therefore exploration, possible.
