HARKER HEIGHTS — Students in Jayne Doxsey’s homeschool science class this week learned how the Earth, moon and sun move around in the solar system known. Following a break from classes during the ...

We live on a spinning planet. Depending on latitude your individual speed varies from 0 mph at the poles to 1,040 mph (1,674 kph) at the equator. Here at 47 degrees north I'm madly spinning eastward ...

If there is a two day gap between the rotation and revolution of the moon, then why don't we see its dark side? originally appeared on Quora: the knowledge sharing network where compelling questions ...