ASTRON 103 Chapter 13: Textbook Notes - 13
5 Oct 2016
School
Department
Course
Professor
Document Summary
Degrees / scale: full spread hand at arms length: about 20 , thumbnail at arm"s length: about 2 , little finger tip at arm"s length: about 1 . Altitude & azimuth: altitude: object"s angular distance above the horizon, azimuth: angle measured eastward from true norht to point on horizon below the star. Autumn leaves turn red from the blood of the wounded bear. B. 2. (b. 1. b. 1) big dipper is lowest in the sky in autumn. Stars move across the sky, like the sun: ruler to tripod experiment to prove this, stationary telescope to prove. Doesn"t work with polaris/north star (because it is <1 from the. North celestial pole: different depending on various angles to the horizon. Experiment: take picture or sketch of sun in same reference area a few days apart; see how much it has moved. The sun"s position changes by an obvious amount in a single day near the equinoxes, but much more slowely near the solstices.
