HowStuffWorks on MSN2 个月
What Causes Seasons? Earth's Tilt and Orbit
It turns out that the elliptical orbit of the Earth has little effect on the seasons. Instead, it is the 23.45-degree tilt of ...
The Cool Down on MSN1 年
Study reveals the shocking factor that’s caused a dramatic shift in Earth’s tilt: ‘I ...
Humans suck water from the ground quickly enough to move Earth’s axis, a new study said. Between 1993 and 2010, the tilt of ...