ASTRONOMY 



ASTRONOMY 



OUTLINE AND QUESTIONS ON ASTRONOMY 



Outline 



I. Definition 

 II. How It Developed 



(1) Among the Chaldeans 



(2) Among the Chinese 



(3) Among the Egyptians 



(4) Among the Greeks 



(5) Contributions of modern astronomers 



III. How Discoveries Are Made 



(1) By observers 



(2) By mathematicians 



(a) Discovery of Neptune 



IV. AMtronomtcal Instrument* 



V. The. Solar System 



(1) The sun 



(a) Size 



(b) Distance from earth 



(c) Not center of universe 



(d) Composition 



(e) Movements 



(f) Importance 



(g) Gravitation 

 (h) Satellites 



1. Earth 



a. Size 



b. Form 



c. Movements 



d. Atmosphere 



e. Satellite the moon 

 2. Other planets 



a. Number 



b. Location 



c. Movements 



d. Constitution 



e. Appearance 

 (2) Nebular Hypothesis 



VI. Other Heavenly Bodies 



(1) Stars 



(a) Number 



(b) Size 



(c) Distance from solar system 



(d) Constitution 



(e) Double stars 



(2) Meteors 



(3) Comets 



(4) Nebulae 



VII. Popular Phase* 



(1) The heavens in spring 



(a) Constellations 



(b) Bright stars 



(c) Planets 



(2) The heavens in summer 



(3) The heavens in autumn 



(4) The heavens in winter 



Questions 



How old will you be when the rays of light which started from the North Star 

 last night reach your eyes? 



How long would it take the earth, at the rate it travels in its orbit about the sun, 

 to reach Alpha Centauris? 



Does the sun in its journey through space go faster or not so fast as the earth? 



If the earth whirled about on its axis twice as fast as it does at present, what 

 would be the result? 



Show by means of a quarter and an electric light bulb how it is possible for tin- 

 moon to cause an eclipse of the sun, which is so much larger. 



How can it be possible that we see stars which no longer exist? 



Why should spiders be kept in factories where astronomical instruments are made? 



If you can see a star millions of miles away, why can you not see a meteor two 

 hundred miles away? 



How long would it take you in an airship going one hundred miles an hour to 

 make the round trip to the moon? 



What did Shakespeare mean when he made Cassius say 



The fault, dear Brutun. I* not in our stars, 

 But in ourselves, that we are underlings. 



