Reasons For Seasons

1. Fall

1.1. Fall Equinox

1.2. Sun Looks To Have An Altitude Of 23.5 Degrees

1.3. Tilt Is The Same With Equal Sun Rays Hitting Both The Northern And Southern Hemispheres Equally

1.4. 12 Hours Of Day And 12 Hours Of Night

1.5. September 21

2. Spring

2.1. Spring Equinox

2.2. Sun Looks To Have An Altitude Of 23.5 Degrees

2.3. Tilt Is The Same With Equal Sun Rays Hitting Both The Northern And Southern Hemispheres Equally

2.4. 12 Hours Of Day And 12 Hours Of Night

2.5. March 21

3. Rotation

3.1. Day/Night

3.2. 24 Hours Each Day

3.3. Sun Appears To Rise In The East And Set In The West

4. Revolution

5. Tilt Is 23.5 Degrees

6. Winter

6.1. Winter Solstice

6.2. Northern Hemisphere

6.2.1. Perihelion

6.2.1.1. Decemeber 21

6.2.2. Northern Hemisphere

6.3. Sun Looks To Have An Altitude Of 11.75 Degrees

6.4. Shortest Daylight Hours Of The Year WIth Longest Night Hours

6.5. Tilted Away From The Sun

6.6. Sun Rays Hitting At An Indirect Angle

6.7. Southern Hemisphere

6.7.1. Aphelion

6.7.1.1. June 21

7. Summer

7.1. Summer Solstice

7.2. Northern Hemisphere

7.2.1. Aphelion

7.2.1.1. June 21

7.3. Sun Looks To Have An Altitude Of 47 Degrees

7.4. Longest Daylight Hours Of The Year With Shortest Night Hours

7.5. Tilted Towards From The Sun

7.6. Sun Rays Hitting At A More Direct Angle

7.7. Southern Hemisphere

7.7.1. Periheion

7.7.1.1. December 21