Johannes Kepler worked as an assistant to the observatory of Brahe at the age of 27.Brahe collected astronomical observations, which were passed into Kepler, on his death.Among the significant contributions of Brahe:1. His observations on the planetary motion of Mars were used by later astronomers, includingKepler to construct the present model of the solar system.2. In 1572, he observed supernova as a star that appeared suddenly, became visible for 18months before it faded from view. Nowadays, supernova is called an exploding star.3. In 1577, he observed a comet by measuring its parallax. His claim contradicted the idea ofAristotle that comets are "gases burning in the atmosphere." By measuring the parallax forthe comet, he was able to show that the comet was further away than the Moon.4. His findings that stars do not have parallax, he concluded that either: (a). the earth wasmotionless at the center of the universe; or (b). the stars were so far away that their parallaxwas almost negligible to measure.5. Brahe proposed a model of the Solar System that was intermediate between the Ptolemaicand Copernican models (it had the Earth at the center). It proved to be incorrect, but was themost widely accepted model of the Solar System for a time.Although, some of the ideas of Brahe were not always correct and acceptable, thequality of his observations led to the development of modern astronomy.Part 2: Each statement has a missing word, write the appropriate word to complete the thoughtof the statement. Write your answer on the answer sheet.1. Tyco Brahe was a Danish astronomer, he devised an instrument calledobserve the planetary positions such as2. He observed a star that was so bright and faded after few months. This star is calledto. Aristotle described the same star as anstar.3. According to Brahe, stars do not havean object viewed along two different lines of4. This happens due to: (a). The Earth wasstars are very far away that their parallax are almost5. His works were continued by his assistanta displacement in the apparent position ofat theof the universe; or (b). theto measure.

The above question explain the theory of how how the astronomy came into existence.

Part 2: Each statement has a missing word, write the appropriate word to complete the thought of the statement. Write your answer on the answer sheet. 1. Tyco Brahe was a Danish astronomer, he devised an instrument called observe the planetary positions such as 2. He observed a star that was so bright and faded after few months. This star is called to Aristotle described the same star as an star. 3. According to Brahe, stars do not have an object viewed along two different lines of 4. This happens due to: (a). The Earth was stars are very far away that their parallax are almost 5. His works were continued by his assistant a displacement in the apparent position of at the of the universe; or (b). the to measure.

Part 2: Each statement has a missing word, write the appropriate word to complete the thought of the statement. Write your answer on the answer sheet. 1. Tyco Brahe was a Danish astronomer, he devised an instrument called observe the planetary positions such as 2. He observed a star that was so bright and faded after few months. This star is called to Aristotle described the same star as an star. 3. According to Brahe, stars do not have an object viewed along two different lines of 4. This happens due to: (a). The Earth was stars are very far away that their parallax are almost 5. His works were continued by his assistant a displacement in the apparent position of at the of the universe; or (b). the to measure.

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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