| A | B |
|---|
| angle of solation | angle the sun's light hits the earth's surface |
| these two factors cause seasons on earth | angle and duration of solation |
| the tilt of the axis of the earth | 23 1/2 degrees |
| Summer Soltice | longest day of the year |
| Winter Soltice | shortest day of the year |
| Spring Equinox | sun is shining directly at the equator and summer is on its way |
| Autumn Equinox | sun is shining directly at the equator and the earth is going towards the winter season |
| duration of solation | the number of hours the sun shines per day |
| meridian | runs from the southern horizon up through the zenith down through the northern horizon |
| horizon | where sky meets land or sea |
| zenith | highest point above you in the sky |
