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Ptolemy

Ptolemy was an Egyptian mathematician and scientist. He lived from 90 to 168 AD.

412 Questions

Who did Cleopatra have Ptolemy Philadelphos with?

The father of Ptolemy Philadelphos was Marc Antony.

The father of Ptolemy Philadelphos was Marc Antony.

The father of Ptolemy Philadelphos was Marc Antony.

The father of Ptolemy Philadelphos was Marc Antony.

The father of Ptolemy Philadelphos was Marc Antony.

The father of Ptolemy Philadelphos was Marc Antony.

The father of Ptolemy Philadelphos was Marc Antony.

The father of Ptolemy Philadelphos was Marc Antony.

The father of Ptolemy Philadelphos was Marc Antony.

What was the connection between Alexander the Great and hellenism?

Alexander the Great played a pivotal role in the spread of Hellenism, which refers to the cultural diffusion of Greek culture throughout the regions he conquered. His military campaigns established Greek cities and promoted the Greek language, art, and governance in areas stretching from Greece to Egypt and into parts of Asia. This blending of cultures led to a synthesis of Greek and local customs, ultimately shaping the Hellenistic period, characterized by advancements in arts, science, and philosophy. Alexander's legacy thus ensured that Hellenistic culture continued to flourish long after his death.

Who disproved geocentric theory?

Claudius Ptolemy disproved geocentric theory.

How did copernicuss view of the universe differ from ptolemys?

Copernicus proposed a heliocentric model of the universe, asserting that the Sun, not the Earth, was at the center, with the planets, including Earth, orbiting around it. In contrast, Ptolemy's geocentric model placed the Earth at the center, with the Sun, Moon, and stars revolving around it in complex circular orbits. This shift from a Earth-centered to a Sun-centered view marked a significant change in understanding the structure of the cosmos, laying groundwork for modern astronomy.

Why was ptolemys theory of the universe helpful even though it was incorrect?

That is almost a correct description. Ptolemy's model was not incorrect, because it predicted the positions of the planets quite accurately. So accurately that no-one thought to question it for over a thousand years.

But in the end people decided to try for a more accurate model, and after a couple of attempts a model came up that is now accepted everwhere, which was devised by Johannes Kepler and published in 1609. It was accepted after the discovery of the law of gravity and the laws of motion.

Before that there were some big arguments about which was the right model, and especially about whether the Earth is at the centre, or the Sun.

Kepler's model has the Sun at the centre and this is now accepted because the later discoveries showed that the Sun is far more massive than the planets, so it sits at the centre while all the planets orbit round it.

How did Cleopatra kill ptolemy XIV?

So far, it has not been determined exactly how Ptolemy XIV died. Historians assume that Cleopatra had him poisoned, but remember this is just an assumption, not a hard fact.

Whose ideas were the basis for Europeans' view of the universe?

It was Bailly who saw a two stage process of sweeping away the old and establishing the new.

How many kids did Octavia have?

I think she had one child, a son.

From Octavia Grove (I also have one child, a son!)

How many planets did ptolemy know about when he made his map of the solar system?

Ptolemy knew of the seven classical planets: Mercury, Venus, Mars, Jupiter, Saturn, the Sun, and the Moon. These were the celestial bodies visible to the naked eye that were thought to move around Earth in the geocentric model of the solar system.

Why did Cleopatra not wish to rule with her brother ptolemy?

Greed. Cleopatra did not want to share the power with anyone, not even her brother who was also a designated ruler in her father's will.

Greed. Cleopatra did not want to share the power with anyone, not even her brother who was also a designated ruler in her father's will.

Greed. Cleopatra did not want to share the power with anyone, not even her brother who was also a designated ruler in her father's will.

Greed. Cleopatra did not want to share the power with anyone, not even her brother who was also a designated ruler in her father's will.

Greed. Cleopatra did not want to share the power with anyone, not even her brother who was also a designated ruler in her father's will.

Greed. Cleopatra did not want to share the power with anyone, not even her brother who was also a designated ruler in her father's will.

Greed. Cleopatra did not want to share the power with anyone, not even her brother who was also a designated ruler in her father's will.

Greed. Cleopatra did not want to share the power with anyone, not even her brother who was also a designated ruler in her father's will.

Greed. Cleopatra did not want to share the power with anyone, not even her brother who was also a designated ruler in her father's will.

How did Claudius ptolemy die?

No one is certain, but many believe that his sister Cleopatra hired someone to murder him. But no cause of death has been confirmed.

Did Ptolemy developed a system to determine true north?

Yes, Ptolemy developed a method to determine true north by using a sundial. By observing the shadow cast by the sundial at different times of the day, one could align the sundial's gnomon (the part that casts the shadow) with true north.

What is some personal informationb about Claudius ptolemy?

Claudius Ptolemaes was born in AD 90 and died AD 168. He was born in Egypt and made himself king even though he wasn't a dynasty. he worked as an Egyptian astronomer. his biggest obstacle was showing the formulas he used to calculate the information he wrote in his book the Almagest.