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Results Sheet#7: Precession7-1PART 1: CHANGING THE POLE STARUse the arrow just to the left of the Time button to click time back to about 3000B.C. Inthe table below, enter the name of the pole star at that time. Now use the arrow just to theright of the Time button to advance time to the other dates on the Table. Enter the nameof the pole star at that time. Finally, state whether you think the star was or was not agood pole star. Base this on how close it came to the north celestial pole.Consider onlythe stars that are labeled.YearPole StarA Good Pole Star? ( Yes/ No)3000 B.C.1 A.D.2000 A.D7800 A.D.9600 A.D.13200 A.D.Which star from the above table do you think is the best pole stars? ______________________Which star from the above table do you think is the worst pole stars? _____________________RESULTS SHEET# 7: PrecessionNAME ___________________________________ DATE ________________SECTION ___________________
Results Sheet#7: Precession7-2PART 2: POINTER STARSCurrent pole star:___________________Current pointer stars:___________________ and ___________________Pole star in 3000B.C.:________________________Pointer stars in 3000B.C.:___________________ and ___________________PART 3: PRECESSION THROUGH THE AGESRecord the current, most recent, and nextagein the table below.AgeConstellationMost recentageCurrentageNextageOn yourSky Chartcarefullycount the number of constellations in the Zodiac.Number ofZodiacalconstellations = _______.Since precession takes about 26,000 years, about how long is an averageage(about howmany years will the vernal equinox occur in eachZodiacalconstellation)?Average number of years/age= __________________________.