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Towson - ASTR 161 - Study Guide - Midterm

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Schools > Towson University > Astronomy > ASTR 161 > Towson - ASTR 161 - Study Guide - Midterm

Towson - ASTR 161 - Study Guide - Midterm

School: Towson University
Department: Astronomy
Course: General Astronomy I
Professor: Christian Ready
Term: Fall 2016
Tags:
Name: Study Guide 1 part 1
Description: This study guide includes quizzes 1-4 and lab 1. I will upload the rest of the labs and more material tomorrow. I hope this is helpful (: good luck!
Uploaded: 09/30/2016
0 5 3 18 Reviews
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background image ASTR 161.101 Test 1 - Study Guide Quiz  Chapter 1.1, 1.3 1.  Daily motion of the Sun, Moon, & other celestial bodies is diurnal mo- tion 2. At 0° latitude, Earth rotates East to West. 3.  At 90° latitude (South Pole), all stars are circumpolar - they don’t rise  nor set. 4.  An observer at mid-latitude in Southern Hemisphere will observe sun  & & celestial bodies moving East to West. 5.  The celestial equator is the projection of Earth’s equator on the celes- tial sphere. 6.  The ecliptic is the projection of the Sun’s path throughout the year on  the celestial sphere. 7.  The vernal equinox is an intersection of te ecliptic and celestial equa- tor, and marks the osition of the sun on March 20. 8.  Looking at the night sky and noticing a star rising exactly East, the  azimuth of the star is 90°. 9.  At 8pm a star rises east on the horizon. One hour later, it’s higher  East. (It rose straight upward). Your latitude on Earth is 0° - Equator. 10.  From Baltimore (lat +39°) a star rising east will appear to move up- ward and toward southeast. Lab  Chapter 1.1, 1.3 1. The apparent motion of the sun and stars over a 24hr period goes  from east to west. 2. To us, Polaris never seems to move. 3.  From Baltimore, 3 constellations that never set include: Ursa Minor,  Draco, and Cassiopeia. 4. Polaris’ altitude is 90°.
background image Lab  Chapter 1.1, 1.3 5. The stars’ highest altitude is at the meridian. 6. From the North Pole, Polaris’ altitude is 90°.  7. All stars are circumpolar from the North Pole. None of them set. 8.  As you move farther south from the North Pole, less stars become  circumpolar. 9.  From Baltimore, some stars are not viewable. We would need to  move farther south to see more stars.  10.  From the equator, the celestial equator passes directly over Earth’s  equator at 270° W 90° N. It passes through the zenith and the me- ridian. 11.  From the equator, stars move east to west. There are no circumpolar  stars like in Baltimore but you still see some of the same constella- tions. 12.  From the equator, Polaris is not visible because it is at 0° on the  horizon. 13 There are no circumpolar stars visible at the equator. 14. Ignoring sunlight, all of the celestial sphere is visible from te equator  over 24hrs. 16.  There are circumpolar stars visible from Rio, Brazil. Two circumpolar  constellaitons  include Atria and V Oct. 17.  From Baltimore, more stars are visible north of the celestial equator  because we are in the northern hemisphere. 18. The sun appears to be in Leo’s constellation “today.” 19.  The new constellation in which the sun entered is Virgo, on Septem- ber 18. 20.  Over the course of a year, the Sun passes through 13 constellations:  Libra, Scorpius, Ochiuchus, Saggitarius, Capricornus, Aquarius,  Pisces, Aries, Taurus, Gemini, Cancer, Leo, Virgo.

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School: Towson University
Department: Astronomy
Course: General Astronomy I
Professor: Christian Ready
Term: Fall 2016
Tags:
Name: Study Guide 1 part 1
Description: This study guide includes quizzes 1-4 and lab 1. I will upload the rest of the labs and more material tomorrow. I hope this is helpful (: good luck!
Uploaded: 09/30/2016
5 Pages 49 Views 39 Unlocks
  • Better Grades Guarantee
  • 24/7 Homework help
  • Notes, Study Guides, Flashcards + More!
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