First Years Guide to Ace Astronomy: A Study Guide

written by Lily Lavender

This book is intended for all who need a quick study reference guide for ASTR-101. It has a glossary of terms & its appropriate meanings for the entire course. Each chapter is based on a lesson; where it won't go into grave detail, but will give you the necessary components to study for upcoming tests & assignments. This does not include mid-term & final exams. All detailed information about each topic is in your official lessons with the Professor. DO NOT COPY AS IT IS PLAGIARISM!

Last Updated

05/31/21

Chapters

10

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3,802

Lesson Nine: Big Names in Astronomy Study Guide

Chapter 10

Comets, Meteors, Meteoroids, & Meteorites


Aristarchus was alive from 310 to 230 BCE. He created a sundial & wrote a book about the sizes of the Sun & the Moon. He wrongly calculated the Moon at half angular distance to the Sun & due to this, his distance calculation was wrong as well. Aristarchus was correct on Earth being larger than the Moon, but the Sun being bigger than Earth. He is popular for his theory that Earth revolves on an axis & rotates around the Sun. Copernicus was alive from 1473 to 1543 CE. He researched astronomy & astrology at Cracow University & moved to Italy to research canon law at Bologna University. He researched medicine & astrology at Padua University & discovered things about eclipses, alignments, & conjunctions. Copernicus became a church canon after graduating. He also discovered that the Earth's axis rotates in a period of 25,772 years. He wrote six books called Six Books Concerning the Revolutions of the Heavenly Orbs.


Galileo & Newton


Galileo Galilei was alive from 1564 to 1642. He went to Pisa University to research medicine & he also was a professor at Pisa University & Padua University. He was the first scientist to experiment strength of objects, created a thermometer, & built a telescope. Galileo did the experiment of dropping different weighted objects over the Leaning Tower of Pisa & discovered that all objects drop at the same rate. He found that the Moon is not smooth, the Sun has spots, Jupiter has four moons, Saturn has ears (rings), & Venus has phases. The phases of Venus lead Galileo to Copernicus' solar system model & it was correct. Isaac Newton was alive from 1643 to 1727. He studied at Cambridge University & was taught that the center of the universe was the Earth. Under the influence of Rene Descartes & Pierre Gassendi, Newton thought otherwise. He was a professor, & was Warden of the Mint. In 1705, Queen Anne knighted him & he discovered spectroscopy, the reflecting telescope, calculus, & alchemy. Newton discovered that by using a prism, a rainbow was created on the other side.


Von Rheticus & Mansour


George Rheticus was alive from 1514 to 1576. He researched at Feldkirch, Zurich, & Wittenberg University in 1536. In 1539, Rheticus studied alongside Copernicus & wrote a book in 1540. He was able to convince Copernicus to publish his book about the heliocentric model. Rheticus told Copernicus that Mars seems brighter when on the other side of the Earth from the Sun. His surname was initially Iserin. Ayesha Mansour was born on July 30, 1929. At Hogwarts, she was sorted into Hufflepuff & got Outstanding grades for Astronomy. She went to Cambridge University to study astronomy, where she discovered the A.M.E. Quotient & that heavy water is what tames the Sun's magic. She set up her laboratory on the top of a mountain due to being above the atmosphere to experiment the Sun's magic.

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