9/9: scientific method 9/11: dependent variable, independent variable 9/15: density 9/17: cartography 9/21: latitude, longitude 9/23: Prime Meridian, International Date Line 9/25: alphanumeric 9/29: contour interval, index contour 10/1: benchmark, hachure 10/5: physiographic province ***************************************************************************** * 10/7: astronomy 10/9: rotation, revolution 10/13: reflecting telescope, refracting telescope, radio telescope 10/15: none 10/19: insolation 10/21: terrestrial planets, Jovian planets 10/23: retrograde motion 10/27: meteor, meteoroid, meteorite 10/29: astronomical unit, light year 11/2: spinoffs 11/5: parallax 11/9: Hertzsprung-Russell Diagram 11/16: absolute magnitude, apparent magnitude 11/18: constellation, asterism 11/20: none 11/24: galaxy 11/30: declination, right ascension 12/2: geocentric, heliocentric 12/4: none 12/8: meteorology 12/10: atmosphere 12/14: ozone 12/16: none 12/18: conduction, convection, radiation 12/22: albedo