Constellations pg. 71
Constellation section of the sky with a recognizable star pattern. 88 listed 48 from Ptolemy
Hemisphere “half” a sphere Earth is divided into a Northern and Southern hemisphere each hemisphere sees a different night sky
Horizon line separating earth from sky sun, moon, stars all rise and set on this line (can’t see below it)
Polaris Doesn’t move in night sky “The North Star” Directly above North Pole (the Earth’s axis points to this star, so essentially this is the “star” the earth spins around.) Doesn’t move in night sky Polaris
Circumpolar circles near the celestial north pole (Polaris) visible all year Circumpolar Constellations
Seasonal Constellations visible during specific seasons
Zodiac Constellations Divide path of sun over the year by12.