Astronomy Outline

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Astronomy Outline
April Guzman
SCI/151
February 25, 2013
Jorge Espinosa

Astronomy Outline
1. Our place in the universe
a. The modem view of the universe
1) What is our Sun and what is its role in the solar system? 2) What is the Milky Way galaxy and the sun’s position in it? 3) What is the Big Bang and what does it say about the age of the universe?

4) What is meant by the phase “looking out in the universe is looking back in time? b. Where are we in the universe?
1) What is Earth’s place in the solar system?
2) How close are the nearest stars to the Sun as compared to the distance between the Sun and the Earth? 3) How large is our Milky Way galaxy?
4) How many stars are estimated to exist in our galaxy?
5) How old is the earth compared to the universe itself?
c. Motion in the universe
1) How fast does the Earth move around the Sun? Compare that to fast things in day-to-day life. 2) How is our Sun moving in the galaxy?
3) How are the galaxies around the Milky Way galaxy moving from our point of view? 2. The shy and the science of astronomy
a. Explain the significance of the celestial sphere.
1) What important directions and coordinate systems help you find your way around the sky? 2) Why are there different brightness of stars and how do we describe their brightness as compared to one another? 3) What are constellations?

4) What is Polaris and what is its significance in the shy? 5) Why does the Moon change its phase, how does it move and how do these combine to create eclipses? b. What is the science of astronomy?

c. What is the scientific method and how does it relate to the science of astronomy? d. Who was Aristotle and what was his relationship to the science of astronomy? e. What was the Copernican revolution?

f. What observation did Galileo make that proved that planets go around the sun? g. What...
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