CH - The_Moon - SURVEY OF ASTRONOMY 806 243 Lunar Motions...

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S URVEY OF A STRONOMY 806 – 243 Name: _________________________ Lunar Motions and Phases Section: _________________________ T HE M OON : L UNAR M OTIONS AND P HASES Purpose: The purpose of this project is to allow you to become more familiar with the motions and characteristics of the moon – phenomenon that have been known for thousands of years and for which no observational aide, other than normal vision, is required. Materials: Colored pencils/pens Starfinder and/or Celestial Globe* Astronomical Calendar and/or Observers Handbook* Sky and Telescope and/or Astronomy Magazine* (Each monthly issue contains a star chart similar to the one you will be completing.) Astronomical Sky Observation Websites* *These are potentially useful references for solving some of the problems Terminology: Zodiac Latitude Waxing New Moon Ecliptic Altitude Waning First Quarter Eclipse Season Azimuth Crescent Full Moon Eclipse Year Angular Distance Gibbous Third Quarter Nodes Part I: Observing the Lunar Phases BE SURE TO REVIEW PART II AT THE SAME TIME YOU ARE DOING PART 1 . Beginning on _____________________ and continuing for the next month, observe the moon daily, or as often as the sky is clear. Six observations minimum are to be made, including one or two of both the waxing and the waning moon. (If you complete more observations than there is space for on the next page attach these on an extra sheet.) While you are observing the moon try to learn the answers to the following questions: Did you see the moon during the day? Did you see the dark part of the moon? How is the moon’s angular distance from the sun related to its phase? While you are observing the moon complete the following: Sketch the outline shape of the moon (Be sure to indicate which side in your sketch is light and which is dark.) Record the lunar phase, date, and time of observation Estimate the altitude and azimuth at the time of your observation. Record on the attached star map the position of the moon relative to the background stars. You may want to consult the internet or an astronomy magazine for a sky chart to help you with this part.
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Observations: Note: Remember at the same time you are making the moon observations, record on the attached star map the position of the moon relative to the background of stars . Record each position on the star map as a small dot centered in a small circle, with a letter keyed to the phases you have observed and sketched. (Hint: Observe which stars/constellations are near the moon and then use your starfinder and a sky chart to estimate the position of the moon relative to the ecliptic. Careful plotting will allow you to follow the movement of the moon through the zodiac.). A
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CH - The_Moon - SURVEY OF ASTRONOMY 806 243 Lunar Motions...

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