Scientists at the National Physical Laboratory in England recorded the shortest day ever on June 29 and another shortened day on July 26, according to Popular Mechanics, a science and technology ...
来自MSN2 个月
Why does the Earth spin?
age 5, New Paltz, New York A globe was the first thing I ever ... Every 24 hours, the Earth makes a full rotation, spinning west to east, which is why the sun rises in the east and sets in the ...
This rotation is why we experience day and night. Think of Earth as a massive spinning ball, with the equator moving at a ...