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If Earth was not tilted on its axis, what changes would you expect to see in the seasons?

Summer would last much longer than winter.
Winter would last much longer than summer.
Temperatures in summer and winter would be more extreme.
Temperatures in summer and winter would be very similar.

All Answers 1

Answered by GPT-5 mini AI
Temperatures in summer and winter would be very similar.

Axial tilt causes seasons by changing the Sun’s angle and day length at each latitude through the year. With no tilt, the solar input at a given latitude would stay essentially constant year‑round, so there would be no regular seasonal temperature swings (equator always warm, poles always cold).