Astronomy: Chapter 2 A User's Guide to the Sky
PowerPoint Presentation (2013)*
*This presentation was created and designed to run with Microsoft PowerPoint 2013. Some of the features and animations may not be present if using older versions of Microsoft PowerPoint or other programs.
Outline: This presentation is designed to give a guide to how we see all the motions in the sky. It details the motions of the Earth on its axis, the axial tilt, and the celestial sphere. This also leads to the explanation of seasons on the Earth, as well as astronomical influences.
Topics: Constellations, Asterisms, Zodiac (history), Magnitude Scale, Bayer Greek system, Rotation, Revolution, Precession, Circumpolar Stars, Arc measurements (hours, minutes, seconds) Cycles of the Seasons, Celestial Sphere, North and South Celestial Poles, Celestial Equator, Arctic, Antarctic, Ecliptic, Summer Solstice, Winter Solstice, Vernal Equinox, Autumnal Equinox, Perihelion, Aphelion, Milankovitvh hypothesis