Reasons for the Seasons
- One day is 23 hours 56 minutes
- One year is about 365 days, one revolution
- elliptical orbit does not cause seasons, earth's proximity to the sun does not affect seasons at all
- tilt of the axis
- number of daylight hours increase
- Days are longer in summer because the angle of the sunlight
- longest and shortest days of the year
- equal night, 12 hours of day and 12 of night
- vernal and autumnal, march and September