Mmastodon LifeEducation first seen 3 d ago, last 2 d ago, peak #2

Why the two hemispheres have summer at different times

Original: 🌍 TIL: Earth’s Northern and Southern # hemispheres experience # summer at different times due to the axial tilt of the #

A science post is reminding readers that Earth's Northern and Southern Hemispheres experience summer at opposite times of year because of the planet's axial tilt. It adds a lesser-known detail: Northern Hemisphere summers are slightly longer and hotter, since Earth's elliptical orbit means it moves at different speeds around the Sun, changing the length and intensity of each hemisphere's warm season.

Why now: The counterintuitive fact that the two hemispheres' summers differ in length and heat is being shared as a today-I-learned science tidbit.

EarthSun

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Evidence

• 🌍 TIL: Earth’s Northern and Southern # hemispheres experience # summer at different times due to the axial tilt of the # planet . Northern summers are slightly longer and hotter than Southern ones because of # Earth ’s elliptical # orbit , changing orbital speeds, and a higher… · tksst@fediscience.org · 3

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