As the World Wobbles and Spins on its Axis

As children we’re taught that our planet spins on an axis as it orbits the sun. That’s why we have seasons; winter when the place you live tilts more away from the sun, summer when it tilts more toward the sun. But the earth also wobbles. I didn’t know that. Mostly the wobbles are caused… Continue reading As the World Wobbles and Spins on its Axis