Dr. Universe: Why do we have seasons? -Bella, 9, North Carolina
rcwebberDear Bella,
It turns out seasons can be quite different depending on where you live. But no matter where you live, the reason for the seasons has to do with the way the Earth rotates.
To find out exactly why we have seasons, I talked to my friend Vivienne Baldassare, a physics and astronomy professor at Washington State University.
Read More ...