If our earth was not tilted at an angle of 23.5 degrees, there would have been no season change at all. One part of earth would have experienced continuous winters and other facing sun would have had extreme summers.
THERE WOULD BE NO CHANGE IN SEASONS I.E THERE WOULD HAVE BEEN SAME SEASON ALL THE TIME.
Kashvi Nijhawan answered this
if there would be no season change
Ayub answered this
The earth tilts on its axis between 22.5 and 24.5 degrees. If the earth had no tilt, we would not have seasons! As the earth moves in its orbit around the sun, different parts of the earth receive different amounts of direct sunlight.