“One Earth day is about 24 hours long. Over the course of a year, the length of a day normally changes gradually by one millisecond. It increases in the winter, when the Earth rotates more slowly, and decreases in the summer, Gross has said in the past.”
OK, maybe I’m missing something obvious, but when it’s winter in the northern hemisphere isn’t it summer in the southern, and visa versa? So how is the earth rotating more slowly in one hemisphere and faster in the other? Doesn’t the whole thing rotate at the same rate?
Or am I just being dense?
Snow comes UP Charlie Brown!