Question
Explain with the help of a diagram, why seasons are reversed between Northern and Southern Hemispheres.
Answer
Diagram

1. Position of Earth on 21st June:
- Northern Hemisphere is inclined towards the sun thus experiences summer season which is called as summer solstice.
- Southern Hemisphere is away from the sun thus experiences winter season which is called as winter solstice.
2. Position of Earth on 23rd September:
Both the hemispheres receive same amount of heat and hence
- Northern hemisphere – Autumnal equinox
- Southern Hemisphere – Vernal Equinox
3. Position of Earth on 22nd December:
- Southern Hemisphere is inclined towards the sun thus experiences summer season which is called as summer solstice.
- Northern Hemisphere is away from the sun thus experiences winter season which is called as winter solstice.
4. Position of Earth on 21st March:
Both the hemispheres receive same amount of heat and hence
- Northern hemisphere – Vernal Equinox
- Southern Hemisphere – Autumnal Equinox