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Ptolemy invented improved projections. It is known that a world map based on the Geography was on display in Autun(France) in late Roman times. In the 15th century this work was printed with beautifully drawn maps. They look distorted as compared to modern maps, because his data were inaccurate. One reason is that Ptolemy estimated the Earth too small he has small balls

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What number ptolemy is Cleopatras brother?

Cleopatra had two brothers named Ptolemy. One was Ptolemy XIII and the other was Ptolemy XIV.Cleopatra had two brothers named Ptolemy. One was Ptolemy XIII and the other was Ptolemy XIV.Cleopatra had two brothers named Ptolemy. One was Ptolemy XIII and the other was Ptolemy XIV.Cleopatra had two brothers named Ptolemy. One was Ptolemy XIII and the other was Ptolemy XIV.Cleopatra had two brothers named Ptolemy. One was Ptolemy XIII and the other was Ptolemy XIV.Cleopatra had two brothers named Ptolemy. One was Ptolemy XIII and the other was Ptolemy XIV.Cleopatra had two brothers named Ptolemy. One was Ptolemy XIII and the other was Ptolemy XIV.Cleopatra had two brothers named Ptolemy. One was Ptolemy XIII and the other was Ptolemy XIV.Cleopatra had two brothers named Ptolemy. One was Ptolemy XIII and the other was Ptolemy XIV.


What were ptolemy's accomplishments?

Ptolemy was an ancient Greek mathematician, astronomer, and geographer who made significant contributions to fields such as astronomy and geography. His greatest accomplishments include his geocentric model of the universe, known as the Ptolemaic system, and his work on mapping the stars and constellations in his book "Almagest." These works were foundational in shaping our understanding of the cosmos during antiquity.


What is constellations listed by Ptolemy?

Ptolemy's work "Almagest" lists 48 constellations recognized by ancient Greek astronomers. These include well-known ones like Orion, Ursa Major, and Scorpius. Ptolemy's catalogue laid the foundation for modern Western astronomy.


What was Ptolemy's major contribution to science?

Claudius Ptolemy developed the mathematical astronomy used in Christian and Muslim countries up until the 16Thcentury. Christopher Columbus and Magellan used Ptolemy's version of the world map during their voyage, but they did not know it was incorrect, thus not ending up where they planned to be. He found the position of over one thousand stars.


Which constellations did Ptolemy chart?

Ptolemy charted 48 constellations in his work known as the Almagest. These constellations were based on the knowledge of the time and laid the foundation for modern astronomy. Some of the constellations he charted include Ursa Major, Orion, and Leo.