Hypatia is famous for being the greatest mathematician and astronomer of her time, for being the leader of the Neoplatonist school of philosophy in Alexandria, for spectacularly overcoming the profound sexism of her society, and for suffering a violent death at the hands of ignorant zealots.
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A lunar calendar is a calendar based upon monthly cycles of the Moon’s phases.
1. Chiron shows Percy around the camp. There's an arena, stables, a big outdoor eating area and surrounded by a forest
2.Annabeth shows Percy cabin 11, where he will be staying.
3.She tells him his father was probably a god for him to have been able to beat the Minotaur
4. Water shoots at Clarisse forcing her and her sidekicks out of the bathroom
5.Annabeth wants Percy to join her Capture-the-flag team.
Leonardo da Vinci (1452-1519) is considered the worlds greatest genius or the ultimate Renaissance man (someone good at everything). He was an Artist, Inventor, and Scientist whose famous works range from the Monalisa, The Last Supper, and the Vitruvian during the Italian Renaissance. Leonardo made an immense contribution to the study of medicine, science, and art with a voice of reason, logic, and science in a world of superstitions.
Contributions to art
He excelled in drawing, painting, and sculpture, the Monalisa and The last super are among his most famous.
Inventor and Scientist
Leonardo's journal was filled with over 13000 pages of how he observed the world and drew pictures and designs of helicopters, war machines, musical instruments, and hang gliders.
He studied the human body and drew muscles, tendons and the human skeleton. He also had detailed pictures o the heart, arm and other organs.
Answer:
geocentric system
The Ptolemaic system also called the geocentric system or geocentric model, mathematical model of the universe formulated by the Alexandrian astronomer and mathematician Ptolemy about 150 CE and recorded by him in his Almagest and Planetary Hypotheses. Ptolemy made contributions to astronomy, mathematics, geography, musical theory, and optics. He compiled a star catalog and the earliest surviving table of a trigonometric function and established mathematically that an object and its mirror image must make equal angles to a mirror.
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